#03071C#03071C

#03071C is a very dark, muted blue. Relative luminance 0.003; OKLCH L 13.9% C 0.047 H 267.7°. Best body text is #FFFFFF at 19.98:1 contrast (WCAG AA passes).

Color values

HEX	#03071C
RGB	rgb(3, 7, 28)
HSL	hsl(230, 81%, 6%)
HSV	hsv(230, 89%, 11%)
CMYK	cmyk(89.3%, 75%, 0%, 89%)
CIE-LAB	lab(2.30, 3.30, -12.07)
CIE-LCH	lch(2.30, 12.52, 285.30°)
OKLab	oklab(13.92% -0.0019 -0.0469)
OKLCH	oklch(13.92% 0.047 267.7)
XYZ	xyz(0.3231, 0.2551, 1.1306)
Luminance	0.0026 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03071C #1C1803

analogous

#03131C #03071C #0B031C

triadic

#03071C #1C0307 #071C03

tetradic

#03071C #1C0313 #1C1803 #031C0B

square

#03071C #1C0313 #1C1803 #031C0B

split-complementary

#03071C #1C0B03 #131C03

monochromatic

#03071C #03071C #03071C #091553 #0F238B

Accessibility & contrast

On white

19.98

#03071C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.05

#03071C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03071C

19.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03071C	#FFFFFF	#000000	##FFFFFF
##03071C	1.00	19.98	1.05	19.98
#FFFFFF	19.98	1.00	21.00	1.00
#000000	1.05	21.00	1.00	21.00
##FFFFFF	19.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000A1D

Deuteranopia (green-blind)

#00071C

Tritanopia (blue-blind)

#000C10

Achromatopsia (no color)

#080808

Design tokens & code

CSS

--color: #03071c;
/* rgb */ color: rgb(3, 7, 28);
/* oklch */ color: oklch(13.9% 0.047 267.7);

Tailwind

colors: {
  custom: {
    50: '#474a58',
    500: '#03071c',
    950: '#000000',
  },
}

SCSS

$custom: #03071c;
$custom-light: #474a58;
$custom-dark: #000000;

JSON

{
  "hex": "#03071c",
  "rgb": {
    "r": 3,
    "g": 7,
    "b": 28
  },
  "hsl": {
    "h": 230.4,
    "s": 80.645,
    "l": 6.078
  },
  "oklch": {
    "l": 0.13918,
    "c": 0.04696,
    "h": 267.7
  },
  "luminance": 0.00255
}

Semantic roles & 50–950 ramp

primary

#03071C

secondary

#60551B

accent

#D731F7

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000103

muted

#777778

Preview Lab

Preview with #03071C

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

Preview Lab → · Contrast checker → · Palette generator →