#031033#031033

#031033 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.8% C 0.072 H 263.2°. Best body text is #FFFFFF at 18.65:1 contrast (WCAG AA passes).

Color values

HEX	#031033
RGB	rgb(3, 16, 51)
HSL	hsl(224, 89%, 11%)
HSV	hsv(224, 94%, 20%)
CMYK	cmyk(94.1%, 68.6%, 0%, 80%)
CIE-LAB	lab(5.68, 9.11, -24.40)
CIE-LCH	lch(5.68, 26.05, 290.48°)
OKLab	oklab(18.83% -0.0086 -0.0719)
OKLCH	oklch(18.83% 0.072 263.2)
XYZ	xyz(0.8202, 0.6289, 3.2095)
Luminance	0.0063 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.45

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031033 #332603

analogous

#032833 #031033 #0E0333

triadic

#031033 #330310 #103303

tetradic

#031033 #330328 #332603 #03330E

square

#031033 #330328 #332603 #03330E

split-complementary

#031033 #330E03 #283303

monochromatic

#02091D #02091D #031033 #06226D #0A34A7

Accessibility & contrast

On white

18.65

#031033 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#031033 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031033

18.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031033	#FFFFFF	#000000	##FFFFFF
##031033	1.00	18.65	1.13	18.65
#FFFFFF	18.65	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001534

Deuteranopia (green-blind)

#001032

Tritanopia (blue-blind)

#00191F

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #031033;
/* rgb */ color: rgb(3, 16, 51);
/* oklch */ color: oklch(18.8% 0.072 263.2);

Tailwind

colors: {
  custom: {
    50: '#4b4e6b',
    500: '#031033',
    950: '#000000',
  },
}

SCSS

$custom: #031033;
$custom-light: #4b4e6b;
$custom-dark: #000000;

JSON

{
  "hex": "#031033",
  "rgb": {
    "r": 3,
    "g": 16,
    "b": 51
  },
  "hsl": {
    "h": 223.75,
    "s": 88.889,
    "l": 10.588
  },
  "oklch": {
    "l": 0.18827,
    "c": 0.07239,
    "h": 263.2
  },
  "luminance": 0.00629
}

Semantic roles & 50–950 ramp

primary

#031033

secondary

#765E1C

accent

#C529FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #031033

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

Preview Lab → · Contrast checker → · Palette generator →