#12143D#12143D

#12143D is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.9% C 0.077 H 275.9°. Best body text is #FFFFFF at 17.60:1 contrast (WCAG AA passes).

Color values

HEX	#12143D
RGB	rgb(18, 20, 61)
HSL	hsl(237, 54%, 15%)
HSV	hsv(237, 70%, 24%)
CMYK	cmyk(70.5%, 67.2%, 0%, 76.1%)
CIE-LAB	lab(8.70, 14.36, -26.71)
CIE-LCH	lch(8.70, 30.33, 298.27°)
OKLab	oklab(21.87% 0.0079 -0.0768)
OKLCH	oklch(21.87% 0.077 275.9)
XYZ	xyz(1.3416, 0.9657, 4.5297)
Luminance	0.0097 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.27

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12143D #3D3B12

analogous

#12293D #12143D #25123D

triadic

#12143D #3D1214 #143D12

tetradic

#12143D #3D1229 #3D3B12 #123D25

square

#12143D #3D1229 #3D3B12 #123D25

split-complementary

#12143D #3D2512 #293D12

monochromatic

#070818 #070818 #12143D #20236C #2E339C

Accessibility & contrast

On white

17.60

#12143D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#12143D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12143D

17.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12143D	#FFFFFF	#000000	##FFFFFF
##12143D	1.00	17.60	1.19	17.60
#FFFFFF	17.60	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B3E

Deuteranopia (green-blind)

#00173C

Tritanopia (blue-blind)

#001E26

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #12143d;
/* rgb */ color: rgb(18, 20, 61);
/* oklch */ color: oklch(21.9% 0.077 275.9);

Tailwind

colors: {
  custom: {
    50: '#565173',
    500: '#12143d',
    950: '#000000',
  },
}

SCSS

$custom: #12143d;
$custom-light: #565173;
$custom-dark: #000000;

JSON

{
  "hex": "#12143d",
  "rgb": {
    "r": 18,
    "g": 20,
    "b": 61
  },
  "hsl": {
    "h": 237.209,
    "s": 54.43,
    "l": 15.49
  },
  "oklch": {
    "l": 0.2187,
    "c": 0.07718,
    "h": 275.9
  },
  "luminance": 0.00966
}

Semantic roles & 50–950 ramp

primary

#12143D

secondary

#767335

accent

#D74ADE

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #12143D

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

Preview Lab → · Contrast checker → · Palette generator →