#100F76#100F76

#100F76 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.7% C 0.163 H 269.3°. Best body text is #FFFFFF at 15.53:1 contrast (WCAG AA passes).

Color values

HEX	#100F76
RGB	rgb(16, 15, 118)
HSL	hsl(241, 77%, 26%)
HSV	hsv(241, 87%, 46%)
CMYK	cmyk(86.4%, 87.3%, 0%, 53.7%)
CIE-LAB	lab(14.17, 38.70, -56.27)
CIE-LCH	lch(14.17, 68.29, 304.52°)
OKLab	oklab(27.71% -0.002 -0.1629)
OKLCH	oklch(27.71% 0.163 269.3)
XYZ	xyz(3.6534, 1.7594, 17.2831)
Luminance	0.0176 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100F76 #75760F

analogous

#0F4176 #100F76 #430F76

triadic

#100F76 #76100F #0F7610

tetradic

#100F76 #760F41 #75760F #0F7643

square

#100F76 #760F41 #75760F #0F7643

split-complementary

#100F76 #76430F #41760F

monochromatic

#04031B #090840 #100F76 #1716AC #1F1DE2

Accessibility & contrast

On white

15.53

#100F76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#100F76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100F76

15.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100F76	#FFFFFF	#000000	##FFFFFF
##100F76	1.00	15.53	1.35	15.53
#FFFFFF	15.53	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002979

Deuteranopia (green-blind)

#001E74

Tritanopia (blue-blind)

#003144

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #100f76;
/* rgb */ color: rgb(16, 15, 118);
/* oklch */ color: oklch(27.7% 0.163 269.3);

Tailwind

colors: {
  custom: {
    50: '#66519f',
    500: '#100f76',
    950: '#000000',
  },
}

SCSS

$custom: #100f76;
$custom-light: #66519f;
$custom-dark: #000000;

JSON

{
  "hex": "#100f76",
  "rgb": {
    "r": 16,
    "g": 15,
    "b": 118
  },
  "hsl": {
    "h": 240.583,
    "s": 77.444,
    "l": 26.078
  },
  "oklch": {
    "l": 0.27706,
    "c": 0.1629,
    "h": 269.3
  },
  "luminance": 0.0176
}

Semantic roles & 50–950 ramp

primary

#100F76

secondary

#ACAD33

accent

#F434F2

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020F

muted

#7A787E

Preview Lab

Preview with #100F76

Body copy rendered with the generated semantic roles for this colour.

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