#031330#031330

#031330 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.3% C 0.063 H 259.5°. Best body text is #FFFFFF at 18.42:1 contrast (WCAG AA passes).

Color values

HEX	#031330
RGB	rgb(3, 19, 48)
HSL	hsl(219, 88%, 10%)
HSV	hsv(219, 94%, 19%)
CMYK	cmyk(93.8%, 60.4%, 0%, 81.2%)
CIE-LAB	lab(6.31, 5.73, -21.18)
CIE-LCH	lch(6.31, 21.94, 285.14°)
OKLab	oklab(19.32% -0.0115 -0.0617)
OKLCH	oklch(19.32% 0.063 259.5)
XYZ	xyz(0.8037, 0.6984, 2.8882)
Luminance	0.0070 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031330 #302003

analogous

#032930 #031330 #0A0330

triadic

#031330 #300313 #133003

tetradic

#031330 #300329 #302003 #03300A

square

#031330 #300329 #302003 #03300A

split-complementary

#031330 #300A03 #293003

monochromatic

#020B1D #020B1D #031330 #072A6A #0A41A3

Accessibility & contrast

On white

18.42

#031330 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#031330 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031330

18.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031330	#FFFFFF	#000000	##FFFFFF
##031330	1.00	18.42	1.14	18.42
#FFFFFF	18.42	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#031631

Deuteranopia (green-blind)

#00122F

Tritanopia (blue-blind)

#001A1F

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #031330;
/* rgb */ color: rgb(3, 19, 48);
/* oklch */ color: oklch(19.3% 0.063 259.5);

Tailwind

colors: {
  custom: {
    50: '#4b5068',
    500: '#031330',
    950: '#000000',
  },
}

SCSS

$custom: #031330;
$custom-light: #4b5068;
$custom-dark: #000000;

JSON

{
  "hex": "#031330",
  "rgb": {
    "r": 3,
    "g": 19,
    "b": 48
  },
  "hsl": {
    "h": 218.667,
    "s": 88.235,
    "l": 10
  },
  "oklch": {
    "l": 0.19317,
    "c": 0.06273,
    "h": 259.5
  },
  "luminance": 0.00699
}

Semantic roles & 50–950 ramp

primary

#031330

secondary

#73541B

accent

#B329FE

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010206

muted

#77787A

Preview Lab

Preview with #031330

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

Preview Lab → · Contrast checker → · Palette generator →