#031233#031233

#031233 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.3% C 0.069 H 261.6°. Best body text is #FFFFFF at 18.45:1 contrast (WCAG AA passes).

Color values

HEX	#031233
RGB	rgb(3, 18, 51)
HSL	hsl(221, 89%, 11%)
HSV	hsv(221, 94%, 20%)
CMYK	cmyk(94.1%, 64.7%, 0%, 80%)
CIE-LAB	lab(6.24, 7.97, -23.50)
CIE-LCH	lch(6.24, 24.81, 288.73°)
OKLab	oklab(19.34% -0.0102 -0.0686)
OKLCH	oklch(19.34% 0.069 261.6)
XYZ	xyz(0.8512, 0.6909, 3.2198)
Luminance	0.0069 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.16

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031233 #332403

analogous

#032A33 #031233 #0C0333

triadic

#031233 #330312 #123303

tetradic

#031233 #33032A #332403 #03330C

square

#031233 #33032A #332403 #03330C

split-complementary

#031233 #330C03 #2A3303

monochromatic

#020A1D #020A1D #031233 #06266D #0A3BA7

Accessibility & contrast

On white

18.45

#031233 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#031233 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031233

18.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031233	#FFFFFF	#000000	##FFFFFF
##031233	1.00	18.45	1.14	18.45
#FFFFFF	18.45	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001634

Deuteranopia (green-blind)

#001232

Tritanopia (blue-blind)

#001A20

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #031233;
/* rgb */ color: rgb(3, 18, 51);
/* oklch */ color: oklch(19.3% 0.069 261.6);

Tailwind

colors: {
  custom: {
    50: '#4c4f6b',
    500: '#031233',
    950: '#000000',
  },
}

SCSS

$custom: #031233;
$custom-light: #4c4f6b;
$custom-dark: #000000;

JSON

{
  "hex": "#031233",
  "rgb": {
    "r": 3,
    "g": 18,
    "b": 51
  },
  "hsl": {
    "h": 221.25,
    "s": 88.889,
    "l": 10.588
  },
  "oklch": {
    "l": 0.19342,
    "c": 0.06932,
    "h": 261.6
  },
  "luminance": 0.00691
}

Semantic roles & 50–950 ramp

primary

#031233

secondary

#765A1C

accent

#BC29FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010206

muted

#77787A

Preview Lab

Preview with #031233

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

Preview Lab → · Contrast checker → · Palette generator →