#10124A#10124A

#10124A is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.7% C 0.101 H 273.4°. Best body text is #FFFFFF at 17.39:1 contrast (WCAG AA passes).

Color values

HEX	#10124A
RGB	rgb(16, 18, 74)
HSL	hsl(238, 64%, 18%)
HSV	hsv(238, 78%, 29%)
CMYK	cmyk(78.4%, 75.7%, 0%, 71%)
CIE-LAB	lab(9.30, 20.84, -34.91)
CIE-LCH	lch(9.30, 40.66, 300.83°)
OKLab	oklab(22.67% 0.0059 -0.1009)
OKLCH	oklch(22.67% 0.101 273.4)
XYZ	xyz(1.6656, 1.0370, 6.5896)
Luminance	0.0104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10124A #4A4810

analogous

#102F4A #10124A #2B104A

triadic

#10124A #4A1012 #124A10

tetradic

#10124A #4A102F #4A4810 #104A2B

square

#10124A #4A102F #4A4810 #104A2B

split-complementary

#10124A #4A2B10 #2F4A10

monochromatic

#050619 #050619 #10124A #1B1E7C #262AAF

Accessibility & contrast

On white

17.39

#10124A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#10124A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10124A

17.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10124A	#FFFFFF	#000000	##FFFFFF
##10124A	1.00	17.39	1.21	17.39
#FFFFFF	17.39	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D4C

Deuteranopia (green-blind)

#001749

Tritanopia (blue-blind)

#00212C

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #10124a;
/* rgb */ color: rgb(16, 18, 74);
/* oklch */ color: oklch(22.7% 0.101 273.4);

Tailwind

colors: {
  custom: {
    50: '#59507d',
    500: '#10124a',
    950: '#000000',
  },
}

SCSS

$custom: #10124a;
$custom-light: #59507d;
$custom-dark: #000000;

JSON

{
  "hex": "#10124a",
  "rgb": {
    "r": 16,
    "g": 18,
    "b": 74
  },
  "hsl": {
    "h": 237.931,
    "s": 64.444,
    "l": 17.647
  },
  "oklch": {
    "l": 0.22669,
    "c": 0.10108,
    "h": 273.4
  },
  "luminance": 0.01037
}

Semantic roles & 50–950 ramp

primary

#10124A

secondary

#848132

accent

#E240E7

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #10124A

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

Preview Lab → · Contrast checker → · Palette generator →