#03051F#03051F

#03051F is a very dark, muted blue. Relative luminance 0.002; OKLCH L 13.6% C 0.057 H 270.9°. Best body text is #FFFFFF at 20.09:1 contrast (WCAG AA passes).

Color values

HEX	#03051F
RGB	rgb(3, 5, 31)
HSL	hsl(236, 82%, 7%)
HSV	hsv(236, 90%, 12%)
CMYK	cmyk(90.3%, 83.9%, 0%, 87.8%)
CIE-LAB	lab(2.05, 5.06, -14.85)
CIE-LCH	lch(2.05, 15.69, 288.82°)
OKLab	oklab(13.57% 0.0009 -0.0569)
OKLCH	oklch(13.57% 0.057 270.9)
XYZ	xyz(0.3391, 0.2268, 1.3220)
Luminance	0.0023 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 8.78

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03051F #1F1D03

analogous

#03131F #03051F #0F031F

triadic

#03051F #1F0305 #051F03

tetradic

#03051F #1F0313 #1F1D03 #031F0F

square

#03051F #1F0313 #1F1D03 #031F0F

split-complementary

#03051F #1F0F03 #131F03

monochromatic

#03051C #03051C #03051F #080E57 #0E178F

Accessibility & contrast

On white

20.09

#03051F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.05

#03051F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03051F

20.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03051F	#FFFFFF	#000000	##FFFFFF
##03051F	1.00	20.09	1.05	20.09
#FFFFFF	20.09	1.00	21.00	1.00
#000000	1.05	21.00	1.00	21.00
##FFFFFF	20.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000920

Deuteranopia (green-blind)

#00061E

Tritanopia (blue-blind)

#000B10

Achromatopsia (no color)

#070707

Design tokens & code

CSS

--color: #03051f;
/* rgb */ color: rgb(3, 5, 31);
/* oklch */ color: oklch(13.6% 0.057 270.9);

Tailwind

colors: {
  custom: {
    50: '#47495a',
    500: '#03051f',
    950: '#000000',
  },
}

SCSS

$custom: #03051f;
$custom-light: #47495a;
$custom-dark: #000000;

JSON

{
  "hex": "#03051f",
  "rgb": {
    "r": 3,
    "g": 5,
    "b": 31
  },
  "hsl": {
    "h": 235.714,
    "s": 82.353,
    "l": 6.667
  },
  "oklch": {
    "l": 0.13566,
    "c": 0.05692,
    "h": 270.9
  },
  "luminance": 0.00227
}

Semantic roles & 50–950 ramp

primary

#03051F

secondary

#635E1B

accent

#EA2FF9

background

#F4F4F5

surface

#E6E6E9

border

#C2C2C5

text

#000004

muted

#777779

Preview Lab

Preview with #03051F

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

Preview Lab → · Contrast checker → · Palette generator →