#101F44#101F44

#101F44 is a very dark, moderate blue. Relative luminance 0.015; OKLCH L 25.0% C 0.073 H 265.0°. Best body text is #FFFFFF at 16.14:1 contrast (WCAG AA passes).

Color values

HEX	#101F44
RGB	rgb(16, 31, 68)
HSL	hsl(223, 62%, 16%)
HSV	hsv(223, 76%, 27%)
CMYK	cmyk(76.5%, 54.4%, 0%, 73.3%)
CIE-LAB	lab(12.65, 8.44, -25.27)
CIE-LCH	lch(12.65, 26.64, 288.46°)
OKLab	oklab(25% -0.0063 -0.0724)
OKLCH	oklch(25% 0.073 265)
XYZ	xyz(1.7467, 1.5073, 5.6666)
Luminance	0.0151 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101F44 #443510

analogous

#103944 #101F44 #1B1044

triadic

#101F44 #44101F #1F4410

tetradic

#101F44 #441039 #443510 #10441B

square

#101F44 #441039 #443510 #10441B

split-complementary

#101F44 #441B10 #394410

monochromatic

#060B19 #060B19 #101F44 #1C3676 #274CA7

Accessibility & contrast

On white

16.14

#101F44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#101F44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101F44

16.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101F44	#FFFFFF	#000000	##FFFFFF
##101F44	1.00	16.14	1.30	16.14
#FFFFFF	16.14	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B2345

Deuteranopia (green-blind)

#021F43

Tritanopia (blue-blind)

#00282E

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #101f44;
/* rgb */ color: rgb(16, 31, 68);
/* oklch */ color: oklch(25.0% 0.073 265.0);

Tailwind

colors: {
  custom: {
    50: '#565a78',
    500: '#101f44',
    950: '#000000',
  },
}

SCSS

$custom: #101f44;
$custom-light: #565a78;
$custom-dark: #000000;

JSON

{
  "hex": "#101f44",
  "rgb": {
    "r": 16,
    "g": 31,
    "b": 68
  },
  "hsl": {
    "h": 222.692,
    "s": 61.905,
    "l": 16.471
  },
  "oklch": {
    "l": 0.24997,
    "c": 0.0727,
    "h": 265
  },
  "luminance": 0.01507
}

Semantic roles & 50–950 ramp

primary

#101F44

secondary

#7E6832

accent

#B643E5

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030309

muted

#78787B

Preview Lab

Preview with #101F44

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

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