#12153D#12153D

#12153D is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.1% C 0.076 H 275.1°. Best body text is #FFFFFF at 17.49:1 contrast (WCAG AA passes).

Color values

HEX	#12153D
RGB	rgb(18, 21, 61)
HSL	hsl(236, 54%, 15%)
HSV	hsv(236, 70%, 24%)
CMYK	cmyk(70.5%, 65.6%, 0%, 76.1%)
CIE-LAB	lab(9.01, 13.59, -26.22)
CIE-LCH	lch(9.01, 29.53, 297.40°)
OKLab	oklab(22.1% 0.0067 -0.0753)
OKLCH	oklch(22.1% 0.076 275.1)
XYZ	xyz(1.3596, 1.0017, 4.5357)
Luminance	0.0100 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12153D #3D3A12

analogous

#122A3D #12153D #24123D

triadic

#12153D #3D1215 #153D12

tetradic

#12153D #3D122A #3D3A12 #123D24

square

#12153D #3D122A #3D3A12 #123D24

split-complementary

#12153D #3D2412 #2A3D12

monochromatic

#070818 #070818 #12153D #20256C #2E369C

Accessibility & contrast

On white

17.49

#12153D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#12153D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12153D

17.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12153D	#FFFFFF	#000000	##FFFFFF
##12153D	1.00	17.49	1.20	17.49
#FFFFFF	17.49	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B3E

Deuteranopia (green-blind)

#00183C

Tritanopia (blue-blind)

#001F26

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #12153d;
/* rgb */ color: rgb(18, 21, 61);
/* oklch */ color: oklch(22.1% 0.076 275.1);

Tailwind

colors: {
  custom: {
    50: '#565273',
    500: '#12153d',
    950: '#000000',
  },
}

SCSS

$custom: #12153d;
$custom-light: #565273;
$custom-dark: #000000;

JSON

{
  "hex": "#12153d",
  "rgb": {
    "r": 18,
    "g": 21,
    "b": 61
  },
  "hsl": {
    "h": 235.814,
    "s": 54.43,
    "l": 15.49
  },
  "oklch": {
    "l": 0.22095,
    "c": 0.07562,
    "h": 275.1
  },
  "luminance": 0.01002
}

Semantic roles & 50–950 ramp

primary

#12153D

secondary

#767135

accent

#D34ADE

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #12153D

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

Preview Lab → · Contrast checker → · Palette generator →