#031735#031735

#031735 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 20.9% C 0.065 H 257.4°. Best body text is #FFFFFF at 17.83:1 contrast (WCAG AA passes).

Color values

HEX	#031735
RGB	rgb(3, 23, 53)
HSL	hsl(216, 89%, 11%)
HSV	hsv(216, 94%, 21%)
CMYK	cmyk(94.3%, 56.6%, 0%, 79.2%)
CIE-LAB	lab(8.03, 5.48, -22.08)
CIE-LCH	lch(8.03, 22.75, 283.93°)
OKLab	oklab(20.88% -0.0142 -0.0635)
OKLCH	oklch(20.88% 0.065 257.4)
XYZ	xyz(0.9863, 0.8891, 3.4871)
Luminance	0.0089 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031735 #352103

analogous

#033035 #031735 #080335

triadic

#031735 #350317 #173503

tetradic

#031735 #350330 #352103 #033508

square

#031735 #350330 #352103 #033508

split-complementary

#031735 #350803 #303503

monochromatic

#020D1D #020D1D #031735 #06306F #0A49A9

Accessibility & contrast

On white

17.83

#031735 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#031735 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031735

17.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031735	#FFFFFF	#000000	##FFFFFF
##031735	1.00	17.83	1.18	17.83
#FFFFFF	17.83	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#061A36

Deuteranopia (green-blind)

#001534

Tritanopia (blue-blind)

#001E23

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #031735;
/* rgb */ color: rgb(3, 23, 53);
/* oklch */ color: oklch(20.9% 0.065 257.4);

Tailwind

colors: {
  custom: {
    50: '#4c536c',
    500: '#031735',
    950: '#000000',
  },
}

SCSS

$custom: #031735;
$custom-light: #4c536c;
$custom-dark: #000000;

JSON

{
  "hex": "#031735",
  "rgb": {
    "r": 3,
    "g": 23,
    "b": 53
  },
  "hsl": {
    "h": 216,
    "s": 89.286,
    "l": 10.98
  },
  "oklch": {
    "l": 0.2088,
    "c": 0.06508,
    "h": 257.4
  },
  "luminance": 0.00889
}

Semantic roles & 50–950 ramp

primary

#031735

secondary

#78531C

accent

#A929FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010207

muted

#77787A

Preview Lab

Preview with #031735

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

Preview Lab → · Contrast checker → · Palette generator →