#031A4E#031A4E

#031A4E is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.1% C 0.100 H 262.3°. Best body text is #FFFFFF at 16.65:1 contrast (WCAG AA passes).

Color values

HEX	#031A4E
RGB	rgb(3, 26, 78)
HSL	hsl(222, 93%, 16%)
HSV	hsv(222, 96%, 31%)
CMYK	cmyk(96.2%, 66.7%, 0%, 69.4%)
CIE-LAB	lab(11.33, 15.01, -34.37)
CIE-LCH	lch(11.33, 37.50, 293.60°)
OKLab	oklab(24.11% -0.0134 -0.0995)
OKLCH	oklch(24.11% 0.1 262.3)
XYZ	xyz(1.7816, 1.3080, 7.3648)
Luminance	0.0131 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031A4E #4E3703

analogous

#033F4E #031A4E #11034E

triadic

#031A4E #4E031A #1A4E03

tetradic

#031A4E #4E033F #4E3703 #034E11

square

#031A4E #4E033F #4E3703 #034E11

split-complementary

#031A4E #4E1103 #3F4E03

monochromatic

#010A1D #010A1D #031A4E #052E89 #0841C4

Accessibility & contrast

On white

16.65

#031A4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#031A4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031A4E

16.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031A4E	#FFFFFF	#000000	##FFFFFF
##031A4E	1.00	16.65	1.26	16.65
#FFFFFF	16.65	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002250

Deuteranopia (green-blind)

#001B4D

Tritanopia (blue-blind)

#002831

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #031a4e;
/* rgb */ color: rgb(3, 26, 78);
/* oklch */ color: oklch(24.1% 0.100 262.3);

Tailwind

colors: {
  custom: {
    50: '#555580',
    500: '#031a4e',
    950: '#000000',
  },
}

SCSS

$custom: #031a4e;
$custom-light: #555580;
$custom-dark: #000000;

JSON

{
  "hex": "#031a4e",
  "rgb": {
    "r": 3,
    "g": 26,
    "b": 78
  },
  "hsl": {
    "h": 221.6,
    "s": 92.593,
    "l": 15.882
  },
  "oklch": {
    "l": 0.24106,
    "c": 0.10044,
    "h": 262.3
  },
  "luminance": 0.01308
}

Semantic roles & 50–950 ramp

primary

#031A4E

secondary

#8E6C1E

accent

#BD29FF

background

#F5F4F7

surface

#E9E8EE

border

#C5C4C9

text

#03030A

muted

#78787C

Preview Lab

Preview with #031A4E

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

Preview Lab → · Contrast checker → · Palette generator →