#12152F#12152F

#12152F is a very dark, muted blue. Relative luminance 0.009; OKLCH L 20.9% C 0.051 H 276.1°. Best body text is #FFFFFF at 17.89:1 contrast (WCAG AA passes).

Color values

HEX	#12152F
RGB	rgb(18, 21, 47)
HSL	hsl(234, 45%, 13%)
HSV	hsv(234, 62%, 18%)
CMYK	cmyk(61.7%, 55.3%, 0%, 81.6%)
CIE-LAB	lab(7.86, 7.82, -17.91)
CIE-LCH	lch(7.86, 19.55, 293.59°)
OKLab	oklab(20.87% 0.0054 -0.0509)
OKLCH	oklch(20.87% 0.051 276.1)
XYZ	xyz(1.0305, 0.8701, 2.8024)
Luminance	0.0087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.49

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12152F #2F2C12

analogous

#12232F #12152F #1D122F

triadic

#12152F #2F1215 #152F12

tetradic

#12152F #2F1223 #2F2C12 #122F1D

square

#12152F #2F1223 #2F2C12 #122F1D

split-complementary

#12152F #2F1D12 #232F12

monochromatic

#080A16 #080A16 #12152F #23295B #343D88

Accessibility & contrast

On white

17.89

#12152F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#12152F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12152F

17.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12152F	#FFFFFF	#000000	##FFFFFF
##12152F	1.00	17.89	1.17	17.89
#FFFFFF	17.89	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A1830

Deuteranopia (green-blind)

#07162E

Tritanopia (blue-blind)

#061B1F

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #12152f;
/* rgb */ color: rgb(18, 21, 47);
/* oklch */ color: oklch(20.9% 0.051 276.1);

Tailwind

colors: {
  custom: {
    50: '#525267',
    500: '#12152f',
    950: '#000000',
  },
}

SCSS

$custom: #12152f;
$custom-light: #525267;
$custom-dark: #000000;

JSON

{
  "hex": "#12152f",
  "rgb": {
    "r": 18,
    "g": 21,
    "b": 47
  },
  "hsl": {
    "h": 233.793,
    "s": 44.615,
    "l": 12.745
  },
  "oklch": {
    "l": 0.20866,
    "c": 0.0512,
    "h": 276.1
  },
  "luminance": 0.0087
}

Semantic roles & 50–950 ramp

primary

#12152F

secondary

#676236

accent

#C753D4

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020206

muted

#78787A

Preview Lab

Preview with #12152F

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

Preview Lab → · Contrast checker → · Palette generator →