#041231#041231

#041231 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.2% C 0.065 H 262.1°. Best body text is #FFFFFF at 18.49:1 contrast (WCAG AA passes).

Color values

HEX	#041231
RGB	rgb(4, 18, 49)
HSL	hsl(221, 85%, 10%)
HSV	hsv(221, 92%, 19%)
CMYK	cmyk(91.8%, 63.3%, 0%, 80.8%)
CIE-LAB	lab(6.14, 7.14, -22.18)
CIE-LCH	lch(6.14, 23.30, 287.83°)
OKLab	oklab(19.22% -0.009 -0.0648)
OKLCH	oklch(19.22% 0.065 262.1)
XYZ	xyz(0.8206, 0.6801, 2.9932)
Luminance	0.0068 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.65

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#041231 #312304

analogous

#042831 #041231 #0C0431

triadic

#041231 #310412 #123104

tetradic

#041231 #310428 #312304 #04310C

square

#041231 #310428 #312304 #04310C

split-complementary

#041231 #310C04 #283104

monochromatic

#020A1C #020A1C #041231 #09276A #0D3CA2

Accessibility & contrast

On white

18.49

#041231 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#041231 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #041231

18.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##041231	#FFFFFF	#000000	##FFFFFF
##041231	1.00	18.49	1.14	18.49
#FFFFFF	18.49	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#011632

Deuteranopia (green-blind)

#001230

Tritanopia (blue-blind)

#001A1F

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #041231;
/* rgb */ color: rgb(4, 18, 49);
/* oklch */ color: oklch(19.2% 0.065 262.1);

Tailwind

colors: {
  custom: {
    50: '#4b4f69',
    500: '#041231',
    950: '#000000',
  },
}

SCSS

$custom: #041231;
$custom-light: #4b4f69;
$custom-dark: #000000;

JSON

{
  "hex": "#041231",
  "rgb": {
    "r": 4,
    "g": 18,
    "b": 49
  },
  "hsl": {
    "h": 221.333,
    "s": 84.906,
    "l": 10.392
  },
  "oklch": {
    "l": 0.19216,
    "c": 0.06538,
    "h": 262.1
  },
  "luminance": 0.0068
}

Semantic roles & 50–950 ramp

primary

#041231

secondary

#73591D

accent

#BB2DFB

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010206

muted

#77787A

Preview Lab

Preview with #041231

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

Preview Lab → · Contrast checker → · Palette generator →