#10124E#10124E

#10124E is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.1% C 0.107 H 272.8°. Best body text is #FFFFFF at 17.23:1 contrast (WCAG AA passes).

Color values

HEX	#10124E
RGB	rgb(16, 18, 78)
HSL	hsl(238, 66%, 18%)
HSV	hsv(238, 79%, 31%)
CMYK	cmyk(79.5%, 76.9%, 0%, 69.4%)
CIE-LAB	lab(9.74, 22.44, -36.95)
CIE-LCH	lch(9.74, 43.23, 301.27°)
OKLab	oklab(23.12% 0.0053 -0.1069)
OKLCH	oklch(23.12% 0.107 272.8)
XYZ	xyz(1.8047, 1.0926, 7.3220)
Luminance	0.0109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10124E #4E4C10

analogous

#10314E #10124E #2D104E

triadic

#10124E #4E1012 #124E10

tetradic

#10124E #4E1031 #4E4C10 #104E2D

square

#10124E #4E1031 #4E4C10 #104E2D

split-complementary

#10124E #4E2D10 #314E10

monochromatic

#050619 #06061B #10124E #1A1E81 #2529B4

Accessibility & contrast

On white

17.23

#10124E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#10124E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10124E

17.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10124E	#FFFFFF	#000000	##FFFFFF
##10124E	1.00	17.23	1.22	17.23
#FFFFFF	17.23	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E50

Deuteranopia (green-blind)

#00184D

Tritanopia (blue-blind)

#00232E

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #10124e;
/* rgb */ color: rgb(16, 18, 78);
/* oklch */ color: oklch(23.1% 0.107 272.8);

Tailwind

colors: {
  custom: {
    50: '#5a5080',
    500: '#10124e',
    950: '#000000',
  },
}

SCSS

$custom: #10124e;
$custom-light: #5a5080;
$custom-dark: #000000;

JSON

{
  "hex": "#10124e",
  "rgb": {
    "r": 16,
    "g": 18,
    "b": 78
  },
  "hsl": {
    "h": 238.065,
    "s": 65.957,
    "l": 18.431
  },
  "oklch": {
    "l": 0.23124,
    "c": 0.107,
    "h": 272.8
  },
  "luminance": 0.01093
}

Semantic roles & 50–950 ramp

primary

#10124E

secondary

#888532

accent

#E33FE9

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #10124E

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

Preview Lab → · Contrast checker → · Palette generator →