#031530#031530

#031530 is a very dark, muted blue. Relative luminance 0.008; OKLCH L 19.9% C 0.060 H 257.1°. Best body text is #FFFFFF at 18.20:1 contrast (WCAG AA passes).

Color values

HEX	#031530
RGB	rgb(3, 21, 48)
HSL	hsl(216, 88%, 10%)
HSV	hsv(216, 94%, 19%)
CMYK	cmyk(93.8%, 56.2%, 0%, 81.2%)
CIE-LAB	lab(6.95, 4.43, -20.16)
CIE-LCH	lch(6.95, 20.64, 282.38°)
OKLab	oklab(19.87% -0.0134 -0.0582)
OKLCH	oklch(19.87% 0.06 257.1)
XYZ	xyz(0.8390, 0.7690, 2.8999)
Luminance	0.0077 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031530 #301E03

analogous

#032B30 #031530 #080330

triadic

#031530 #300315 #153003

tetradic

#031530 #30032B #301E03 #033008

square

#031530 #30032B #301E03 #033008

split-complementary

#031530 #300803 #2B3003

monochromatic

#020D1D #020D1D #031530 #072E6A #0A47A3

Accessibility & contrast

On white

18.20

#031530 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#031530 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031530

18.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031530	#FFFFFF	#000000	##FFFFFF
##031530	1.00	18.20	1.15	18.20
#FFFFFF	18.20	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#071831

Deuteranopia (green-blind)

#00132F

Tritanopia (blue-blind)

#001B20

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #031530;
/* rgb */ color: rgb(3, 21, 48);
/* oklch */ color: oklch(19.9% 0.060 257.1);

Tailwind

colors: {
  custom: {
    50: '#4b5168',
    500: '#031530',
    950: '#000000',
  },
}

SCSS

$custom: #031530;
$custom-light: #4b5168;
$custom-dark: #000000;

JSON

{
  "hex": "#031530",
  "rgb": {
    "r": 3,
    "g": 21,
    "b": 48
  },
  "hsl": {
    "h": 216,
    "s": 88.235,
    "l": 10
  },
  "oklch": {
    "l": 0.19873,
    "c": 0.05969,
    "h": 257.1
  },
  "luminance": 0.00769
}

Semantic roles & 50–950 ramp

primary

#031530

secondary

#73501B

accent

#A929FE

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010206

muted

#77787A

Preview Lab

Preview with #031530

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

Preview Lab → · Contrast checker → · Palette generator →