#04142D#04142D

#04142D is a very dark, muted blue. Relative luminance 0.007; OKLCH L 19.4% C 0.055 H 257.8°. Best body text is #FFFFFF at 18.37:1 contrast (WCAG AA passes).

Color values

HEX	#04142D
RGB	rgb(4, 20, 45)
HSL	hsl(217, 84%, 10%)
HSV	hsv(217, 91%, 18%)
CMYK	cmyk(91.1%, 55.6%, 0%, 82.4%)
CIE-LAB	lab(6.46, 3.84, -18.71)
CIE-LCH	lch(6.46, 19.10, 281.59°)
OKLab	oklab(19.39% -0.0117 -0.0542)
OKLCH	oklch(19.39% 0.055 257.8)
XYZ	xyz(0.7737, 0.7155, 2.5794)
Luminance	0.0072 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04142D #2D1D04

analogous

#04292D #04142D #08042D

triadic

#04142D #2D0414 #142D04

tetradic

#04142D #2D0429 #2D1D04 #042D08

square

#04142D #2D0429 #2D1D04 #042D08

split-complementary

#04142D #2D0804 #292D04

monochromatic

#020C1C #020C1C #04142D #092D65 #0E469D

Accessibility & contrast

On white

18.37

#04142D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#04142D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04142D

18.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04142D	#FFFFFF	#000000	##FFFFFF
##04142D	1.00	18.37	1.14	18.37
#FFFFFF	18.37	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#07162E

Deuteranopia (green-blind)

#02132C

Tritanopia (blue-blind)

#001A1E

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #04142d;
/* rgb */ color: rgb(4, 20, 45);
/* oklch */ color: oklch(19.4% 0.055 257.8);

Tailwind

colors: {
  custom: {
    50: '#4a5166',
    500: '#04142d',
    950: '#000000',
  },
}

SCSS

$custom: #04142d;
$custom-light: #4a5166;
$custom-dark: #000000;

JSON

{
  "hex": "#04142d",
  "rgb": {
    "r": 4,
    "g": 20,
    "b": 45
  },
  "hsl": {
    "h": 216.585,
    "s": 83.673,
    "l": 9.608
  },
  "oklch": {
    "l": 0.19394,
    "c": 0.05546,
    "h": 257.8
  },
  "luminance": 0.00716
}

Semantic roles & 50–950 ramp

primary

#04142D

secondary

#704F1D

accent

#AA2EFA

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010206

muted

#77787A

Preview Lab

Preview with #04142D

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

Preview Lab → · Contrast checker → · Palette generator →