#031339#031339

#031339 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.2% C 0.078 H 262.4°. Best body text is #FFFFFF at 18.16:1 contrast (WCAG AA passes).

Color values

HEX	#031339
RGB	rgb(3, 19, 57)
HSL	hsl(222, 90%, 12%)
HSV	hsv(222, 95%, 22%)
CMYK	cmyk(94.7%, 66.7%, 0%, 77.6%)
CIE-LAB	lab(7.05, 10.53, -26.57)
CIE-LCH	lch(7.05, 28.58, 291.62°)
OKLab	oklab(20.22% -0.0103 -0.077)
OKLCH	oklch(20.22% 0.078 262.4)
XYZ	xyz(1.0087, 0.7804, 3.9676)
Luminance	0.0078 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031339 #392903

analogous

#032E39 #031339 #0E0339

triadic

#031339 #390313 #133903

tetradic

#031339 #39032E #392903 #03390E

square

#031339 #39032E #392903 #03390E

split-complementary

#031339 #390E03 #2E3903

monochromatic

#020A1D #020A1D #031339 #062673 #093AAD

Accessibility & contrast

On white

18.16

#031339 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#031339 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031339

18.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031339	#FFFFFF	#000000	##FFFFFF
##031339	1.00	18.16	1.16	18.16
#FFFFFF	18.16	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00183A

Deuteranopia (green-blind)

#001338

Tritanopia (blue-blind)

#001D23

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #031339;
/* rgb */ color: rgb(3, 19, 57);
/* oklch */ color: oklch(20.2% 0.078 262.4);

Tailwind

colors: {
  custom: {
    50: '#4e5070',
    500: '#031339',
    950: '#000000',
  },
}

SCSS

$custom: #031339;
$custom-light: #4e5070;
$custom-dark: #000000;

JSON

{
  "hex": "#031339",
  "rgb": {
    "r": 3,
    "g": 19,
    "b": 57
  },
  "hsl": {
    "h": 222.222,
    "s": 90,
    "l": 11.765
  },
  "oklch": {
    "l": 0.20215,
    "c": 0.0777,
    "h": 262.4
  },
  "luminance": 0.00781
}

Semantic roles & 50–950 ramp

primary

#031339

secondary

#7C5F1C

accent

#C029FF

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #031339

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

Preview Lab → · Contrast checker → · Palette generator →