#004040oklch(0.3364 0.0574 194.8)
Rich black (#004040) is a dark greyish teal. In OKLCH it has lightness 33.6%, chroma 0.057 and hue 194.8°; its relative luminance is 4.0%. White text reads best on it (APCA Lc 100, WCAG 11.62:1). The closest RAL Classic paint is RAL 6004 Blue green (ΔE00 1.5). In plain ISCC-NBS terms it is a dark bluish green. It prints well on coated paper (FOGRA39, ΔE00 0.5).
#004040 in every format
| HEX | #004040 |
| RGB | rgb(0 64 64) |
| HSL | hsl(180.0 100.0% 12.5%) |
| HSB / HSV | hsb(180.0 100.0% 25.1%) |
| HWB | hwb(180.0 0.0% 74.9%) |
| CMYK (formula) | cmyk(100/0/0/75) |
| CMYK (FOGRA39 coated) | cmyk(91/47/58/56) |
| CIELAB (D50) | lab(23.63 -18.82 -5.56) |
| LCh | lch(23.63 19.62 196.5) |
| OKLab | oklab(0.3364 -0.0555 -0.0146) |
| OKLCH | oklch(0.3364 0.0574 194.8) |
| CIE XYZ (D65) | color(xyz-d65 0.02759 0.04037 0.05484) |
| CIE xyY | xyY(0.2246 0.3287 0.0404) |
| Display P3 | color(display-p3 0.0939 0.2467 0.2488) |
| Linear sRGB | color(srgb-linear 0.00000 0.05127 0.05127) |
| CSS name | — |
Text on #004040
White textWCAG 11.62:1 · APCA Lc 100
Black textWCAG 1.81:1 · APCA Lc 8