Colors / blue
#003399
#003399oklch(0.3708 0.1731 262.1)
#003399 (#003399) is a dark vivid blue, closest to the CSS color darkslateblue. In OKLCH it has lightness 37.1%, chroma 0.173 and hue 262.1°; its relative luminance is 4.7%. White text reads best on it (APCA Lc 98, WCAG 10.86:1). It prints well on coated paper (FOGRA39, ΔE00 3.0).
#003399 in every format
| HEX | #003399 |
| RGB | rgb(0 51 153) |
| HSL | hsl(220.0 100.0% 30.0%) |
| HSB / HSV | hsb(220.0 100.0% 60.0%) |
| HWB | hwb(220.0 0.0% 40.0%) |
| CMYK (formula) | cmyk(100/67/0/40) |
| CMYK (FOGRA39 coated) | cmyk(100/85/5/0) |
| CIELAB (D50) | lab(24.65 21.04 -60.69) |
| LCh | lch(24.65 64.23 289.1) |
| OKLab | oklab(0.3708 -0.0237 -0.1715) |
| OKLCH | oklch(0.3708 0.1731 262.1) |
| CIE XYZ (D65) | color(xyz-d65 0.06933 0.04667 0.30673) |
| CIE xyY | xyY(0.1640 0.1104 0.0467) |
| Display P3 | color(display-p3 0.0691 0.1964 0.5771) |
| Linear sRGB | color(srgb-linear 0.00000 0.03310 0.31855) |
| CSS name | — |
Text on #003399
White textWCAG 10.86:1 · APCA Lc 98
Black textWCAG 1.93:1 · APCA Lc 10
Color blindness
Tints and shades
#DFEFFF
#BBD8FF
#92BDFF
#69A1FF
#4F87F4
#386ED8
#2155BD
#083CA3
#002288
#00006F
#000045