Colors / blue
#172540
#172540oklch(0.2669 0.0543 262.5)
#172540 (#172540) is a very dark greyish blue, closest to the CSS color midnightblue. In OKLCH it has lightness 26.7%, chroma 0.054 and hue 262.5°; its relative luminance is 1.9%. White text reads best on it (APCA Lc 105, WCAG 15.27:1). It prints well on coated paper (FOGRA39, ΔE00 0.8).
#172540 in every format
| HEX | #172540 |
| RGB | rgb(23 37 64) |
| HSL | hsl(219.5 47.1% 17.1%) |
| HSB / HSV | hsb(219.5 64.1% 25.1%) |
| HWB | hwb(219.5 9.0% 74.9%) |
| CMYK (formula) | cmyk(64/42/0/75) |
| CMYK (FOGRA39 coated) | cmyk(98/84/44/52) |
| CIELAB (D50) | lab(14.56 1.41 -19.34) |
| LCh | lch(14.56 19.39 274.2) |
| OKLab | oklab(0.2669 -0.0071 -0.0538) |
| OKLCH | oklch(0.2669 0.0543 262.5) |
| CIE XYZ (D65) | color(xyz-d65 0.01940 0.01875 0.05110) |
| CIE xyY | xyY(0.2174 0.2101 0.0188) |
| Display P3 | color(display-p3 0.1020 0.1436 0.2431) |
| Linear sRGB | color(srgb-linear 0.00857 0.01850 0.05127) |
| CSS name | — |
Text on #172540
White textWCAG 15.27:1 · APCA Lc 105
Black textWCAG 1.38:1 · APCA Lc 0
Color blindness
Tints and shades
#DFEFFF
#C5D8FC
#ABBEE2
#93A5C7
#7B8DAE
#637595
#4D5E7D
#384865
#24324F
#111E39
#020B24
Harmonies
Similar colors
Palettes with #172540
all palettes →Iris Northern