#03051E#03051E

#03051E is a very dark, muted blue. Relative luminance 0.002; OKLCH L 13.4% C 0.055 H 271.0°. Best body text is #FFFFFF at 20.11:1 contrast (WCAG AA passes).

Color values

HEX	#03051E
RGB	rgb(3, 5, 30)
HSL	hsl(236, 82%, 6%)
HSV	hsv(236, 90%, 12%)
CMYK	cmyk(90%, 83.3%, 0%, 88.2%)
CIE-LAB	lab(2.00, 4.73, -14.12)
CIE-LCH	lch(2.00, 14.89, 288.52°)
OKLab	oklab(13.44% 0.001 -0.0551)
OKLCH	oklch(13.44% 0.055 271)
XYZ	xyz(0.3261, 0.2216, 1.2536)
Luminance	0.0022 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 9.25

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03051E #1E1C03

analogous

#03131E #03051E #0F031E

triadic

#03051E #1E0305 #051E03

tetradic

#03051E #1E0313 #1E1C03 #031E0F

square

#03051E #1E0313 #1E1C03 #031E0F

split-complementary

#03051E #1E0F03 #131E03

monochromatic

#03051C #03051C #03051E #090E56 #0E188D

Accessibility & contrast

On white

20.11

#03051E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.04

#03051E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03051E

20.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03051E	#FFFFFF	#000000	##FFFFFF
##03051E	1.00	20.11	1.04	20.11
#FFFFFF	20.11	1.00	21.00	1.00
#000000	1.04	21.00	1.00	21.00
##FFFFFF	20.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00091F

Deuteranopia (green-blind)

#00061E

Tritanopia (blue-blind)

#000B10

Achromatopsia (no color)

#070707

Design tokens & code

CSS

--color: #03051e;
/* rgb */ color: rgb(3, 5, 30);
/* oklch */ color: oklch(13.4% 0.055 271.0);

Tailwind

colors: {
  custom: {
    50: '#474959',
    500: '#03051e',
    950: '#000000',
  },
}

SCSS

$custom: #03051e;
$custom-light: #474959;
$custom-dark: #000000;

JSON

{
  "hex": "#03051e",
  "rgb": {
    "r": 3,
    "g": 5,
    "b": 30
  },
  "hsl": {
    "h": 235.556,
    "s": 81.818,
    "l": 6.471
  },
  "oklch": {
    "l": 0.13444,
    "c": 0.05515,
    "h": 271
  },
  "luminance": 0.00222
}

Semantic roles & 50–950 ramp

primary

#03051E

secondary

#625D1B

accent

#E930F8

background

#F4F4F5

surface

#E6E6E9

border

#C2C2C5

text

#000003

muted

#777778

Preview Lab

Preview with #03051E

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

Preview Lab → · Contrast checker → · Palette generator →