#00009Coklch(0.3131 0.2170 264.1)
Duke blue (#00009C) is a dark vivid blue. In OKLCH it has lightness 31.3%, chroma 0.217 and hue 264.1°; its relative luminance is 2.4%. White text reads best on it (APCA Lc 102, WCAG 14.19:1). The closest RAL Classic paint is RAL 5002 Ultramarine blue (ΔE00 9.8). In plain ISCC-NBS terms it is a deep purplish blue. It is outside the FOGRA39 coated print gamut: the closest printable color is #343B7D (ΔE00 9.6).
#00009C in every format
| HEX | #00009C |
| RGB | rgb(0 0 156) |
| HSL | hsl(240.0 100.0% 30.6%) |
| HSB / HSV | hsb(240.0 100.0% 61.2%) |
| HWB | hwb(240.0 0.0% 38.8%) |
| CMYK (formula) | cmyk(100/100/0/39) |
| CMYK (FOGRA39 coated) | cmyk(100/92/16/3) |
| CIELAB (D50) | lab(15.57 47.31 -77.61) |
| LCh | lch(15.57 90.89 301.4) |
| OKLab | oklab(0.3131 -0.0225 -0.2158) |
| OKLCH | oklch(0.3131 0.2170 264.1) |
| CIE XYZ (D65) | color(xyz-d65 0.06000 0.02400 0.31601) |
| CIE xyY | xyY(0.1500 0.0600 0.0240) |
| Display P3 | color(display-p3 0.0000 0.0000 0.5862) |
| Linear sRGB | color(srgb-linear 0.00000 0.00000 0.33245) |
| CSS name | — |
Text on #00009C
White textWCAG 14.19:1 · APCA Lc 102
Black textWCAG 1.48:1 · APCA Lc 0