#041840#041840

#041840 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.2% C 0.081 H 261.4°. Best body text is #FFFFFF at 17.36:1 contrast (WCAG AA passes).

Color values

HEX	#041840
RGB	rgb(4, 24, 64)
HSL	hsl(220, 88%, 13%)
HSV	hsv(220, 94%, 25%)
CMYK	cmyk(93.8%, 62.5%, 0%, 74.9%)
CIE-LAB	lab(9.39, 10.17, -27.76)
CIE-LCH	lch(9.39, 29.56, 290.13°)
OKLab	oklab(22.24% -0.0121 -0.0802)
OKLCH	oklch(22.24% 0.081 261.4)
XYZ	xyz(1.3018, 1.0491, 4.9834)
Luminance	0.0105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#041840 #402C04

analogous

#043640 #041840 #0E0440

triadic

#041840 #400418 #184004

tetradic

#041840 #400436 #402C04 #04400E

square

#041840 #400436 #402C04 #04400E

split-complementary

#041840 #400E04 #364004

monochromatic

#020B1D #020B1D #041840 #082E7A #0B43B3

Accessibility & contrast

On white

17.36

#041840 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#041840 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #041840

17.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##041840	#FFFFFF	#000000	##FFFFFF
##041840	1.00	17.36	1.21	17.36
#FFFFFF	17.36	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D41

Deuteranopia (green-blind)

#00183F

Tritanopia (blue-blind)

#002229

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #041840;
/* rgb */ color: rgb(4, 24, 64);
/* oklch */ color: oklch(22.2% 0.081 261.4);

Tailwind

colors: {
  custom: {
    50: '#505475',
    500: '#041840',
    950: '#000000',
  },
}

SCSS

$custom: #041840;
$custom-light: #505475;
$custom-dark: #000000;

JSON

{
  "hex": "#041840",
  "rgb": {
    "r": 4,
    "g": 24,
    "b": 64
  },
  "hsl": {
    "h": 220,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.22242,
    "c": 0.08108,
    "h": 261.4
  },
  "luminance": 0.01049
}

Semantic roles & 50–950 ramp

primary

#041840

secondary

#81601F

accent

#B729FE

background

#F4F4F7

surface

#E7E7ED

border

#C3C3C8

text

#020208

muted

#78787B

Preview Lab

Preview with #041840

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

Preview Lab → · Contrast checker → · Palette generator →