Colors / blue
Indigo Blue #3A18B1
#3A18B1oklch(0.3869 0.2145 279.7)
Indigo Blue (#3A18B1) is a dark vivid blue. In OKLCH it has lightness 38.7%, chroma 0.214 and hue 279.7°; its relative luminance is 4.7%. White text reads best on it (APCA Lc 98, WCAG 10.79:1). It is outside the FOGRA39 coated print gamut: the closest printable color is #434190 (ΔE00 8.1).
#3A18B1 in every format
| HEX | #3A18B1 |
| RGB | rgb(58 24 177) |
| HSL | hsl(253.3 76.1% 39.4%) |
| HSB / HSV | hsb(253.3 86.4% 69.4%) |
| HWB | hwb(253.3 9.4% 30.6%) |
| CMYK (formula) | cmyk(67/86/0/31) |
| CMYK (FOGRA39 coated) | cmyk(92/87/0/0) |
| CIELAB (D50) | lab(24.52 47.77 -75.30) |
| LCh | lch(24.52 89.17 302.4) |
| OKLab | oklab(0.3869 0.0360 -0.2114) |
| OKLCH | oklch(0.3869 0.2145 279.7) |
| CIE XYZ (D65) | color(xyz-d65 0.10006 0.04727 0.41981) |
| CIE xyY | xyY(0.1764 0.0833 0.0473) |
| Display P3 | color(display-p3 0.2103 0.1014 0.6665) |
| Linear sRGB | color(srgb-linear 0.04231 0.00913 0.43966) |
| CSS name | — |
Text on #3A18B1
White textWCAG 10.79:1 · APCA Lc 98
Black textWCAG 1.95:1 · APCA Lc 10
Color blindness
Tints and shades
#E8ECFF
#CCD2FF
#ADB5FF
#9195FF
#7773FF
#6259ED
#4E3ED1
#3D1FB5
#2E009A
#1C006B
#0C003E