#041737#041737

#041737 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.1% C 0.068 H 259.3°. Best body text is #FFFFFF at 17.75:1 contrast (WCAG AA passes).

Color values

HEX	#041737
RGB	rgb(4, 23, 55)
HSL	hsl(218, 86%, 12%)
HSV	hsv(218, 93%, 22%)
CMYK	cmyk(92.7%, 58.2%, 0%, 78.4%)
CIE-LAB	lab(8.26, 6.66, -23.16)
CIE-LCH	lch(8.26, 24.10, 286.03°)
OKLab	oklab(21.12% -0.0126 -0.0667)
OKLCH	oklch(21.12% 0.068 259.3)
XYZ	xyz(1.0458, 0.9143, 3.7350)
Luminance	0.0091 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#041737 #372404

analogous

#043137 #041737 #0B0437

triadic

#041737 #370417 #173704

tetradic

#041737 #370431 #372404 #04370B

square

#041737 #370431 #372404 #04370B

split-complementary

#041737 #370B04 #313704

monochromatic

#020C1D #020C1D #041737 #082F70 #0C47A9

Accessibility & contrast

On white

17.75

#041737 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#041737 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #041737

17.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##041737	#FFFFFF	#000000	##FFFFFF
##041737	1.00	17.75	1.18	17.75
#FFFFFF	17.75	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#051B38

Deuteranopia (green-blind)

#001636

Tritanopia (blue-blind)

#001F24

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #041737;
/* rgb */ color: rgb(4, 23, 55);
/* oklch */ color: oklch(21.1% 0.068 259.3);

Tailwind

colors: {
  custom: {
    50: '#4d536e',
    500: '#041737',
    950: '#000000',
  },
}

SCSS

$custom: #041737;
$custom-light: #4d536e;
$custom-dark: #000000;

JSON

{
  "hex": "#041737",
  "rgb": {
    "r": 4,
    "g": 23,
    "b": 55
  },
  "hsl": {
    "h": 217.647,
    "s": 86.441,
    "l": 11.569
  },
  "oklch": {
    "l": 0.21123,
    "c": 0.06786,
    "h": 259.3
  },
  "luminance": 0.00914
}

Semantic roles & 50–950 ramp

primary

#041737

secondary

#79571E

accent

#AF2BFD

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #041737

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

Preview Lab → · Contrast checker → · Palette generator →