#041237#041237

#041237 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.8% C 0.075 H 263.6°. Best body text is #FFFFFF at 18.31:1 contrast (WCAG AA passes).

Color values

HEX	#041237
RGB	rgb(4, 18, 55)
HSL	hsl(224, 86%, 12%)
HSV	hsv(224, 93%, 22%)
CMYK	cmyk(92.7%, 67.3%, 0%, 78.4%)
CIE-LAB	lab(6.63, 10.37, -25.79)
CIE-LCH	lch(6.63, 27.80, 291.91°)
OKLab	oklab(19.82% -0.0084 -0.075)
OKLCH	oklch(19.82% 0.075 263.6)
XYZ	xyz(0.9557, 0.7341, 3.7050)
Luminance	0.0073 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#041237 #372904

analogous

#042C37 #041237 #100437

triadic

#041237 #370412 #123704

tetradic

#041237 #37042C #372904 #043710

square

#041237 #37042C #372904 #043710

split-complementary

#041237 #371004 #2C3704

monochromatic

#02091D #02091D #041237 #082570 #0C37A9

Accessibility & contrast

On white

18.31

#041237 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#041237 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #041237

18.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##041237	#FFFFFF	#000000	##FFFFFF
##041237	1.00	18.31	1.15	18.31
#FFFFFF	18.31	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001738

Deuteranopia (green-blind)

#001236

Tritanopia (blue-blind)

#001B22

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #041237;
/* rgb */ color: rgb(4, 18, 55);
/* oklch */ color: oklch(19.8% 0.075 263.6);

Tailwind

colors: {
  custom: {
    50: '#4e4f6e',
    500: '#041237',
    950: '#000000',
  },
}

SCSS

$custom: #041237;
$custom-light: #4e4f6e;
$custom-dark: #000000;

JSON

{
  "hex": "#041237",
  "rgb": {
    "r": 4,
    "g": 18,
    "b": 55
  },
  "hsl": {
    "h": 223.529,
    "s": 86.441,
    "l": 11.569
  },
  "oklch": {
    "l": 0.19823,
    "c": 0.07543,
    "h": 263.6
  },
  "luminance": 0.00734
}

Semantic roles & 50–950 ramp

primary

#041237

secondary

#79601E

accent

#C32BFD

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020107

muted

#78777A

Preview Lab

Preview with #041237

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

Preview Lab → · Contrast checker → · Palette generator →