#04122F#04122F

#04122F is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.0% C 0.062 H 261.4°. Best body text is #FFFFFF at 18.54:1 contrast (WCAG AA passes).

Color values

HEX	#04122F
RGB	rgb(4, 18, 47)
HSL	hsl(220, 84%, 10%)
HSV	hsv(220, 91%, 18%)
CMYK	cmyk(91.5%, 61.7%, 0%, 81.6%)
CIE-LAB	lab(5.99, 6.09, -20.94)
CIE-LCH	lch(5.99, 21.81, 286.20°)
OKLab	oklab(19.02% -0.0093 -0.0613)
OKLCH	oklch(19.02% 0.062 261.4)
XYZ	xyz(0.7793, 0.6636, 2.7758)
Luminance	0.0066 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.26

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04122F #2F2104

analogous

#04282F #04122F #0B042F

triadic

#04122F #2F0412 #122F04

tetradic

#04122F #2F0428 #2F2104 #042F0B

square

#04122F #2F0428 #2F2104 #042F0B

split-complementary

#04122F #2F0B04 #282F04

monochromatic

#020B1C #020B1C #04122F #092867 #0E3DA0

Accessibility & contrast

On white

18.54

#04122F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#04122F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04122F

18.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04122F	#FFFFFF	#000000	##FFFFFF
##04122F	1.00	18.54	1.13	18.54
#FFFFFF	18.54	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#021530

Deuteranopia (green-blind)

#00112E

Tritanopia (blue-blind)

#00191E

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #04122f;
/* rgb */ color: rgb(4, 18, 47);
/* oklch */ color: oklch(19.0% 0.062 261.4);

Tailwind

colors: {
  custom: {
    50: '#4b4f68',
    500: '#04122f',
    950: '#000000',
  },
}

SCSS

$custom: #04122f;
$custom-light: #4b4f68;
$custom-dark: #000000;

JSON

{
  "hex": "#04122f",
  "rgb": {
    "r": 4,
    "g": 18,
    "b": 47
  },
  "hsl": {
    "h": 220.465,
    "s": 84.314,
    "l": 10
  },
  "oklch": {
    "l": 0.19022,
    "c": 0.06196,
    "h": 261.4
  },
  "luminance": 0.00664
}

Semantic roles & 50–950 ramp

primary

#04122F

secondary

#72561D

accent

#B82DFB

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010206

muted

#77787A

Preview Lab

Preview with #04122F

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

Preview Lab → · Contrast checker → · Palette generator →