#10124D#10124D

#10124D is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.0% C 0.106 H 273.0°. Best body text is #FFFFFF at 17.27:1 contrast (WCAG AA passes).

Color values

HEX	#10124D
RGB	rgb(16, 18, 77)
HSL	hsl(238, 66%, 18%)
HSV	hsv(238, 79%, 30%)
CMYK	cmyk(79.2%, 76.6%, 0%, 69.8%)
CIE-LAB	lab(9.63, 22.04, -36.44)
CIE-LCH	lch(9.63, 42.59, 301.17°)
OKLab	oklab(23.01% 0.0055 -0.1054)
OKLCH	oklch(23.01% 0.106 273)
XYZ	xyz(1.7691, 1.0784, 7.1347)
Luminance	0.0108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10124D #4D4B10

analogous

#10304D #10124D #2C104D

triadic

#10124D #4D1012 #124D10

tetradic

#10124D #4D1030 #4D4B10 #104D2C

square

#10124D #4D1030 #4D4B10 #104D2C

split-complementary

#10124D #4D2C10 #304D10

monochromatic

#050619 #05061A #10124D #1B1E80 #252AB2

Accessibility & contrast

On white

17.27

#10124D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#10124D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10124D

17.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10124D	#FFFFFF	#000000	##FFFFFF
##10124D	1.00	17.27	1.22	17.27
#FFFFFF	17.27	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E4F

Deuteranopia (green-blind)

#00184C

Tritanopia (blue-blind)

#00222D

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #10124d;
/* rgb */ color: rgb(16, 18, 77);
/* oklch */ color: oklch(23.0% 0.106 273.0);

Tailwind

colors: {
  custom: {
    50: '#595080',
    500: '#10124d',
    950: '#000000',
  },
}

SCSS

$custom: #10124d;
$custom-light: #595080;
$custom-dark: #000000;

JSON

{
  "hex": "#10124d",
  "rgb": {
    "r": 16,
    "g": 18,
    "b": 77
  },
  "hsl": {
    "h": 238.033,
    "s": 65.591,
    "l": 18.235
  },
  "oklch": {
    "l": 0.2301,
    "c": 0.10553,
    "h": 273
  },
  "luminance": 0.01079
}

Semantic roles & 50–950 ramp

primary

#10124D

secondary

#878432

accent

#E33FE9

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #10124D

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

Preview Lab → · Contrast checker → · Palette generator →