#121D31#121D31

#121D31 is a very dark, muted blue. Relative luminance 0.012; OKLCH L 23.1% C 0.042 H 261.7°. Best body text is #FFFFFF at 16.86:1 contrast (WCAG AA passes).

Color values

HEX	#121D31
RGB	rgb(18, 29, 49)
HSL	hsl(219, 46%, 13%)
HSV	hsv(219, 63%, 19%)
CMYK	cmyk(63.3%, 40.8%, 0%, 80.8%)
CIE-LAB	lab(10.77, 2.41, -14.76)
CIE-LCH	lch(10.77, 14.96, 279.29°)
OKLab	oklab(23.15% -0.0061 -0.0416)
OKLCH	oklch(23.15% 0.042 261.7)
XYZ	xyz(1.2430, 1.2290, 3.0769)
Luminance	0.0123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121D31 #312612

analogous

#122C31 #121D31 #161231

triadic

#121D31 #31121D #1D3112

tetradic

#121D31 #31122C #312612 #123116

square

#121D31 #31122C #312612 #123116

split-complementary

#121D31 #311612 #2C3112

monochromatic

#080D16 #080D16 #121D31 #22375E #33528B

Accessibility & contrast

On white

16.86

#121D31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#121D31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121D31

16.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121D31	#FFFFFF	#000000	##FFFFFF
##121D31	1.00	16.86	1.25	16.86
#FFFFFF	16.86	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151F32

Deuteranopia (green-blind)

#111C31

Tritanopia (blue-blind)

#042124

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #121d31;
/* rgb */ color: rgb(18, 29, 49);
/* oklch */ color: oklch(23.1% 0.042 261.7);

Tailwind

colors: {
  custom: {
    50: '#525869',
    500: '#121d31',
    950: '#000000',
  },
}

SCSS

$custom: #121d31;
$custom-light: #525869;
$custom-dark: #000000;

JSON

{
  "hex": "#121d31",
  "rgb": {
    "r": 18,
    "g": 29,
    "b": 49
  },
  "hsl": {
    "h": 218.71,
    "s": 46.269,
    "l": 13.137
  },
  "oklch": {
    "l": 0.23149,
    "c": 0.04207,
    "h": 261.7
  },
  "luminance": 0.01229
}

Semantic roles & 50–950 ramp

primary

#121D31

secondary

#695736

accent

#A752D6

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020306

muted

#78787A

Preview Lab

Preview with #121D31

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

Preview Lab → · Contrast checker → · Palette generator →