#031535#031535

#031535 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.3% C 0.068 H 259.5°. Best body text is #FFFFFF at 18.06:1 contrast (WCAG AA passes).

Color values

HEX	#031535
RGB	rgb(3, 21, 53)
HSL	hsl(218, 89%, 11%)
HSV	hsv(218, 94%, 21%)
CMYK	cmyk(94.3%, 60.4%, 0%, 79.2%)
CIE-LAB	lab(7.34, 7.03, -23.19)
CIE-LCH	lch(7.34, 24.24, 286.86°)
OKLab	oklab(20.34% -0.0124 -0.0669)
OKLCH	oklch(20.34% 0.068 259.5)
XYZ	xyz(0.9481, 0.8126, 3.4744)
Luminance	0.0081 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031535 #352303

analogous

#032E35 #031535 #0A0335

triadic

#031535 #350315 #153503

tetradic

#031535 #35032E #352303 #03350A

square

#031535 #35032E #352303 #03350A

split-complementary

#031535 #350A03 #2E3503

monochromatic

#020B1D #020B1D #031535 #062C6F #0A43A9

Accessibility & contrast

On white

18.06

#031535 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#031535 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031535

18.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031535	#FFFFFF	#000000	##FFFFFF
##031535	1.00	18.06	1.16	18.06
#FFFFFF	18.06	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#021936

Deuteranopia (green-blind)

#001434

Tritanopia (blue-blind)

#001D22

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #031535;
/* rgb */ color: rgb(3, 21, 53);
/* oklch */ color: oklch(20.3% 0.068 259.5);

Tailwind

colors: {
  custom: {
    50: '#4c516c',
    500: '#031535',
    950: '#000000',
  },
}

SCSS

$custom: #031535;
$custom-light: #4c516c;
$custom-dark: #000000;

JSON

{
  "hex": "#031535",
  "rgb": {
    "r": 3,
    "g": 21,
    "b": 53
  },
  "hsl": {
    "h": 218.4,
    "s": 89.286,
    "l": 10.98
  },
  "oklch": {
    "l": 0.20335,
    "c": 0.06808,
    "h": 259.5
  },
  "luminance": 0.00813
}

Semantic roles & 50–950 ramp

primary

#031535

secondary

#78571C

accent

#B229FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010207

muted

#77787A

Preview Lab

Preview with #031535

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

Preview Lab → · Contrast checker → · Palette generator →