#031C41#031C41

#031C41 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.3% C 0.077 H 257.9°. Best body text is #FFFFFF at 16.85:1 contrast (WCAG AA passes).

Color values

HEX	#031C41
RGB	rgb(3, 28, 65)
HSL	hsl(216, 91%, 13%)
HSV	hsv(216, 95%, 25%)
CMYK	cmyk(95.4%, 56.9%, 0%, 74.5%)
CIE-LAB	lab(10.79, 7.30, -26.21)
CIE-LCH	lch(10.79, 27.21, 285.56°)
OKLab	oklab(23.32% -0.0162 -0.0755)
OKLCH	oklch(23.32% 0.077 257.9)
XYZ	xyz(1.4066, 1.2313, 5.1635)
Luminance	0.0123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031C41 #412803

analogous

#033B41 #031C41 #090341

triadic

#031C41 #41031C #1C4103

tetradic

#031C41 #41033B #412803 #034109

square

#031C41 #41033B #412803 #034109

split-complementary

#031C41 #410903 #3B4103

monochromatic

#010D1D #010D1D #031C41 #06357B #084EB6

Accessibility & contrast

On white

16.85

#031C41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#031C41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031C41

16.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031C41	#FFFFFF	#000000	##FFFFFF
##031C41	1.00	16.85	1.25	16.85
#FFFFFF	16.85	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#052042

Deuteranopia (green-blind)

#001A40

Tritanopia (blue-blind)

#00252B

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #031c41;
/* rgb */ color: rgb(3, 28, 65);
/* oklch */ color: oklch(23.3% 0.077 257.9);

Tailwind

colors: {
  custom: {
    50: '#505776',
    500: '#031c41',
    950: '#000000',
  },
}

SCSS

$custom: #031c41;
$custom-light: #505776;
$custom-dark: #000000;

JSON

{
  "hex": "#031c41",
  "rgb": {
    "r": 3,
    "g": 28,
    "b": 65
  },
  "hsl": {
    "h": 215.806,
    "s": 91.176,
    "l": 13.333
  },
  "oklch": {
    "l": 0.23318,
    "c": 0.07725,
    "h": 257.9
  },
  "luminance": 0.01232
}

Semantic roles & 50–950 ramp

primary

#031C41

secondary

#835A1D

accent

#A929FF

background

#F4F5F7

surface

#E7E9ED

border

#C3C5C8

text

#020308

muted

#78787B

Preview Lab

Preview with #031C41

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

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