#031028#031028

#031028 is a very dark, muted blue. Relative luminance 0.005; OKLCH L 17.7% C 0.054 H 259.2°. Best body text is #FFFFFF at 18.94:1 contrast (WCAG AA passes).

Color values

HEX	#031028
RGB	rgb(3, 16, 40)
HSL	hsl(219, 86%, 8%)
HSV	hsv(219, 93%, 16%)
CMYK	cmyk(92.5%, 60%, 0%, 84.3%)
CIE-LAB	lab(4.91, 3.67, -17.42)
CIE-LCH	lch(4.91, 17.80, 281.89°)
OKLab	oklab(17.73% -0.0101 -0.0526)
OKLCH	oklch(17.73% 0.054 259.2)
XYZ	xyz(0.6057, 0.5431, 2.0800)
Luminance	0.0054 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.92

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031028 #281B03

analogous

#032228 #031028 #080328

triadic

#031028 #280310 #102803

tetradic

#031028 #280322 #281B03 #032808

square

#031028 #280322 #281B03 #032808

split-complementary

#031028 #280803 #222803

monochromatic

#020B1C #020B1C #031028 #072761 #0C3E9A

Accessibility & contrast

On white

18.94

#031028 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#031028 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031028

18.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031028	#FFFFFF	#000000	##FFFFFF
##031028	1.00	18.94	1.11	18.94
#FFFFFF	18.94	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#041329

Deuteranopia (green-blind)

#000F28

Tritanopia (blue-blind)

#00161A

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #031028;
/* rgb */ color: rgb(3, 16, 40);
/* oklch */ color: oklch(17.7% 0.054 259.2);

Tailwind

colors: {
  custom: {
    50: '#484e62',
    500: '#031028',
    950: '#000000',
  },
}

SCSS

$custom: #031028;
$custom-light: #484e62;
$custom-dark: #000000;

JSON

{
  "hex": "#031028",
  "rgb": {
    "r": 3,
    "g": 16,
    "b": 40
  },
  "hsl": {
    "h": 218.919,
    "s": 86.047,
    "l": 8.431
  },
  "oklch": {
    "l": 0.17728,
    "c": 0.05356,
    "h": 259.2
  },
  "luminance": 0.00543
}

Semantic roles & 50–950 ramp

primary

#031028

secondary

#6C4F1B

accent

#B32CFC

background

#F4F4F5

surface

#E7E7EA

border

#C3C3C6

text

#010105

muted

#777779

Preview Lab

Preview with #031028

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

Preview Lab → · Contrast checker → · Palette generator →