#041D3B#041D3B

#041D3B is a very dark, moderate cyan. Relative luminance 0.012; OKLCH L 23.1% C 0.066 H 254.7°. Best body text is #FFFFFF at 16.88:1 contrast (WCAG AA passes).

Color values

HEX	#041D3B
RGB	rgb(4, 29, 59)
HSL	hsl(213, 87%, 12%)
HSV	hsv(213, 93%, 23%)
CMYK	cmyk(93.2%, 50.8%, 0%, 76.9%)
CIE-LAB	lab(10.70, 3.81, -22.09)
CIE-LCH	lch(10.70, 22.42, 279.78°)
OKLab	oklab(23.12% -0.0174 -0.0634)
OKLCH	oklch(23.12% 0.066 254.7)
XYZ	xyz(1.2786, 1.2201, 4.3050)
Luminance	0.0122 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#041D3B #3B2204

analogous

#04393B #041D3B #06043B

triadic

#041D3B #3B041D #1D3B04

tetradic

#041D3B #3B0439 #3B2204 #043B06

square

#041D3B #3B0439 #3B2204 #043B06

split-complementary

#041D3B #3B0604 #393B04

monochromatic

#020E1D #020E1D #041D3B #083974 #0C55AE

Accessibility & contrast

On white

16.88

#041D3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#041D3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #041D3B

16.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##041D3B	#FFFFFF	#000000	##FFFFFF
##041D3B	1.00	16.88	1.24	16.88
#FFFFFF	16.88	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D203C

Deuteranopia (green-blind)

#031B3A

Tritanopia (blue-blind)

#002429

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #041d3b;
/* rgb */ color: rgb(4, 29, 59);
/* oklch */ color: oklch(23.1% 0.066 254.7);

Tailwind

colors: {
  custom: {
    50: '#4e5871',
    500: '#041d3b',
    950: '#000000',
  },
}

SCSS

$custom: #041d3b;
$custom-light: #4e5871;
$custom-dark: #000000;

JSON

{
  "hex": "#041d3b",
  "rgb": {
    "r": 4,
    "g": 29,
    "b": 59
  },
  "hsl": {
    "h": 212.727,
    "s": 87.302,
    "l": 12.353
  },
  "oklch": {
    "l": 0.23115,
    "c": 0.06571,
    "h": 254.7
  },
  "luminance": 0.0122
}

Semantic roles & 50–950 ramp

primary

#041D3B

secondary

#7D521E

accent

#9D2AFD

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020307

muted

#78787A

Preview Lab

Preview with #041D3B

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

Preview Lab → · Contrast checker → · Palette generator →