#031633#031633

#031633 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.4% C 0.063 H 257.5°. Best body text is #FFFFFF at 18.00:1 contrast (WCAG AA passes).

Color values

HEX	#031633
RGB	rgb(3, 22, 51)
HSL	hsl(216, 89%, 11%)
HSV	hsv(216, 94%, 20%)
CMYK	cmyk(94.1%, 56.9%, 0%, 80%)
CIE-LAB	lab(7.52, 5.26, -21.45)
CIE-LCH	lch(7.52, 22.09, 283.79°)
OKLab	oklab(20.42% -0.0137 -0.0617)
OKLCH	oklch(20.42% 0.063 257.5)
XYZ	xyz(0.9218, 0.8321, 3.2434)
Luminance	0.0083 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031633 #332003

analogous

#032E33 #031633 #080333

triadic

#031633 #330316 #163303

tetradic

#031633 #33032E #332003 #033308

square

#031633 #33032E #332003 #033308

split-complementary

#031633 #330803 #2E3303

monochromatic

#020C1D #020C1D #031633 #062F6D #0A48A7

Accessibility & contrast

On white

18.00

#031633 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#031633 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031633

18.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031633	#FFFFFF	#000000	##FFFFFF
##031633	1.00	18.00	1.17	18.00
#FFFFFF	18.00	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	18.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#061934

Deuteranopia (green-blind)

#001432

Tritanopia (blue-blind)

#001D22

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #031633;
/* rgb */ color: rgb(3, 22, 51);
/* oklch */ color: oklch(20.4% 0.063 257.5);

Tailwind

colors: {
  custom: {
    50: '#4c526b',
    500: '#031633',
    950: '#000000',
  },
}

SCSS

$custom: #031633;
$custom-light: #4c526b;
$custom-dark: #000000;

JSON

{
  "hex": "#031633",
  "rgb": {
    "r": 3,
    "g": 22,
    "b": 51
  },
  "hsl": {
    "h": 216.25,
    "s": 88.889,
    "l": 10.588
  },
  "oklch": {
    "l": 0.20423,
    "c": 0.06325,
    "h": 257.5
  },
  "luminance": 0.00832
}

Semantic roles & 50–950 ramp

primary

#031633

secondary

#76521C

accent

#AA29FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010206

muted

#77787A

Preview Lab

Preview with #031633

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

Preview Lab → · Contrast checker → · Palette generator →