#100F74#100F74

#100F74 is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.4% C 0.160 H 269.5°. Best body text is #FFFFFF at 15.64:1 contrast (WCAG AA passes).

Color values

HEX	#100F74
RGB	rgb(16, 15, 116)
HSL	hsl(241, 77%, 26%)
HSV	hsv(241, 87%, 45%)
CMYK	cmyk(86.2%, 87.1%, 0%, 54.5%)
CIE-LAB	lab(13.90, 38.04, -55.43)
CIE-LCH	lch(13.90, 67.23, 304.46°)
OKLab	oklab(27.44% -0.0015 -0.1605)
OKLCH	oklch(27.44% 0.16 269.5)
XYZ	xyz(3.5358, 1.7123, 16.6638)
Luminance	0.0171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100F74 #73740F

analogous

#0F4074 #100F74 #420F74

triadic

#100F74 #74100F #0F7410

tetradic

#100F74 #740F40 #73740F #0F7442

square

#100F74 #740F40 #73740F #0F7442

split-complementary

#100F74 #74420F #40740F

monochromatic

#04041B #09083E #100F74 #1716AA #1F1DE0

Accessibility & contrast

On white

15.64

#100F74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#100F74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100F74

15.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100F74	#FFFFFF	#000000	##FFFFFF
##100F74	1.00	15.64	1.34	15.64
#FFFFFF	15.64	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002877

Deuteranopia (green-blind)

#001E72

Tritanopia (blue-blind)

#003043

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #100f74;
/* rgb */ color: rgb(16, 15, 116);
/* oklch */ color: oklch(27.4% 0.160 269.5);

Tailwind

colors: {
  custom: {
    50: '#65519d',
    500: '#100f74',
    950: '#000000',
  },
}

SCSS

$custom: #100f74;
$custom-light: #65519d;
$custom-dark: #000000;

JSON

{
  "hex": "#100f74",
  "rgb": {
    "r": 16,
    "g": 15,
    "b": 116
  },
  "hsl": {
    "h": 240.594,
    "s": 77.099,
    "l": 25.686
  },
  "oklch": {
    "l": 0.27442,
    "c": 0.16047,
    "h": 269.5
  },
  "luminance": 0.01713
}

Semantic roles & 50–950 ramp

primary

#100F74

secondary

#AAAC33

accent

#F434F2

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #100F74

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

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