#031A40#031A40

#031A40 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.7% C 0.079 H 259.2°. Best body text is #FFFFFF at 17.13:1 contrast (WCAG AA passes).

Color values

HEX	#031A40
RGB	rgb(3, 26, 64)
HSL	hsl(217, 91%, 13%)
HSV	hsv(217, 95%, 25%)
CMYK	cmyk(95.3%, 59.4%, 0%, 74.9%)
CIE-LAB	lab(10.02, 8.41, -26.75)
CIE-LCH	lch(10.02, 28.04, 287.45°)
OKLab	oklab(22.7% -0.0148 -0.0772)
OKLCH	oklch(22.7% 0.079 259.2)
XYZ	xyz(1.3320, 1.1281, 4.9970)
Luminance	0.0113 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031A40 #402903

analogous

#033840 #031A40 #0A0340

triadic

#031A40 #40031A #1A4003

tetradic

#031A40 #400338 #402903 #03400A

square

#031A40 #400338 #402903 #03400A

split-complementary

#031A40 #400A03 #384003

monochromatic

#010C1D #010C1D #031A40 #06327A #0849B5

Accessibility & contrast

On white

17.13

#031A40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#031A40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031A40

17.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031A40	#FFFFFF	#000000	##FFFFFF
##031A40	1.00	17.13	1.23	17.13
#FFFFFF	17.13	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#021E41

Deuteranopia (green-blind)

#00193F

Tritanopia (blue-blind)

#00232A

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #031a40;
/* rgb */ color: rgb(3, 26, 64);
/* oklch */ color: oklch(22.7% 0.079 259.2);

Tailwind

colors: {
  custom: {
    50: '#505575',
    500: '#031a40',
    950: '#000000',
  },
}

SCSS

$custom: #031a40;
$custom-light: #505575;
$custom-dark: #000000;

JSON

{
  "hex": "#031a40",
  "rgb": {
    "r": 3,
    "g": 26,
    "b": 64
  },
  "hsl": {
    "h": 217.377,
    "s": 91.045,
    "l": 13.137
  },
  "oklch": {
    "l": 0.22701,
    "c": 0.07858,
    "h": 259.2
  },
  "luminance": 0.01128
}

Semantic roles & 50–950 ramp

primary

#031A40

secondary

#825C1D

accent

#AE29FF

background

#F4F4F7

surface

#E7E8ED

border

#C3C4C8

text

#020308

muted

#78787B

Preview Lab

Preview with #031A40

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

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