#041A3B#041A3B

#041A3B is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.3% C 0.070 H 258.0°. Best body text is #FFFFFF at 17.27:1 contrast (WCAG AA passes).

Color values

HEX	#041A3B
RGB	rgb(4, 26, 59)
HSL	hsl(216, 87%, 12%)
HSV	hsv(216, 93%, 23%)
CMYK	cmyk(93.2%, 55.9%, 0%, 76.9%)
CIE-LAB	lab(9.64, 6.18, -23.80)
CIE-LCH	lch(9.64, 24.59, 284.55°)
OKLab	oklab(22.29% -0.0146 -0.0685)
OKLCH	oklch(22.29% 0.07 258)
XYZ	xyz(1.2086, 1.0802, 4.2816)
Luminance	0.0108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#041A3B #3B2504

analogous

#04363B #041A3B #09043B

triadic

#041A3B #3B041A #1A3B04

tetradic

#041A3B #3B0436 #3B2504 #043B09

square

#041A3B #3B0436 #3B2504 #043B09

split-complementary

#041A3B #3B0904 #363B04

monochromatic

#020D1D #020D1D #041A3B #083374 #0C4DAE

Accessibility & contrast

On white

17.27

#041A3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#041A3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #041A3B

17.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##041A3B	#FFFFFF	#000000	##FFFFFF
##041A3B	1.00	17.27	1.22	17.27
#FFFFFF	17.27	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#071D3C

Deuteranopia (green-blind)

#00183A

Tritanopia (blue-blind)

#002227

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #041a3b;
/* rgb */ color: rgb(4, 26, 59);
/* oklch */ color: oklch(22.3% 0.070 258.0);

Tailwind

colors: {
  custom: {
    50: '#4f5571',
    500: '#041a3b',
    950: '#000000',
  },
}

SCSS

$custom: #041a3b;
$custom-light: #4f5571;
$custom-dark: #000000;

JSON

{
  "hex": "#041a3b",
  "rgb": {
    "r": 4,
    "g": 26,
    "b": 59
  },
  "hsl": {
    "h": 216,
    "s": 87.302,
    "l": 12.353
  },
  "oklch": {
    "l": 0.22294,
    "c": 0.07,
    "h": 258
  },
  "luminance": 0.0108
}

Semantic roles & 50–950 ramp

primary

#041A3B

secondary

#7D571E

accent

#A92AFD

background

#F4F4F6

surface

#E7E8EC

border

#C3C4C7

text

#020307

muted

#78787A

Preview Lab

Preview with #041A3B

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

Preview Lab → · Contrast checker → · Palette generator →