#041639#041639

#041639 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.0% C 0.073 H 261.0°. Best body text is #FFFFFF at 17.81:1 contrast (WCAG AA passes).

Color values

HEX	#041639
RGB	rgb(4, 22, 57)
HSL	hsl(220, 87%, 12%)
HSV	hsv(220, 93%, 22%)
CMYK	cmyk(93%, 61.4%, 0%, 77.6%)
CIE-LAB	lab(8.08, 8.43, -24.89)
CIE-LCH	lch(8.08, 26.28, 288.72°)
OKLab	oklab(21.05% -0.0114 -0.0718)
OKLCH	oklch(21.05% 0.073 261)
XYZ	xyz(1.0752, 0.8949, 3.9862)
Luminance	0.0089 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#041639 #392704

analogous

#043139 #041639 #0D0439

triadic

#041639 #390416 #163904

tetradic

#041639 #390431 #392704 #04390D

square

#041639 #390431 #392704 #04390D

split-complementary

#041639 #390D04 #313904

monochromatic

#020B1D #020B1D #041639 #082C72 #0C42AB

Accessibility & contrast

On white

17.81

#041639 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#041639 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #041639

17.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##041639	#FFFFFF	#000000	##FFFFFF
##041639	1.00	17.81	1.18	17.81
#FFFFFF	17.81	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#011A3A

Deuteranopia (green-blind)

#001538

Tritanopia (blue-blind)

#001F24

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #041639;
/* rgb */ color: rgb(4, 22, 57);
/* oklch */ color: oklch(21.0% 0.073 261.0);

Tailwind

colors: {
  custom: {
    50: '#4e5270',
    500: '#041639',
    950: '#000000',
  },
}

SCSS

$custom: #041639;
$custom-light: #4e5270;
$custom-dark: #000000;

JSON

{
  "hex": "#041639",
  "rgb": {
    "r": 4,
    "g": 22,
    "b": 57
  },
  "hsl": {
    "h": 219.623,
    "s": 86.885,
    "l": 11.961
  },
  "oklch": {
    "l": 0.21046,
    "c": 0.07267,
    "h": 261
  },
  "luminance": 0.00895
}

Semantic roles & 50–950 ramp

primary

#041639

secondary

#7B5B1E

accent

#B62BFD

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #041639

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

Preview Lab → · Contrast checker → · Palette generator →