#030D21#030D21

#030D21 is a very dark, muted blue. Relative luminance 0.004; OKLCH L 16.2% C 0.046 H 259.5°. Best body text is #FFFFFF at 19.38:1 contrast (WCAG AA passes).

Color values

HEX	#030D21
RGB	rgb(3, 13, 33)
HSL	hsl(220, 83%, 7%)
HSV	hsv(220, 91%, 13%)
CMYK	cmyk(90.9%, 60.6%, 0%, 87.1%)
CIE-LAB	lab(3.77, 2.44, -13.81)
CIE-LCH	lch(3.77, 14.02, 280.02°)
OKLab	oklab(16.21% -0.0083 -0.045)
OKLCH	oklch(16.21% 0.046 259.5)
XYZ	xyz(0.4559, 0.4170, 1.4950)
Luminance	0.0042 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030D21 #211703

analogous

#031C21 #030D21 #080321

triadic

#030D21 #21030D #0D2103

tetradic

#030D21 #21031C #211703 #032108

square

#030D21 #21031C #211703 #032108

split-complementary

#030D21 #210803 #1C2103

monochromatic

#030B1C #030B1C #030D21 #082359 #0D3991

Accessibility & contrast

On white

19.38

#030D21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#030D21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030D21

19.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030D21	#FFFFFF	#000000	##FFFFFF
##030D21	1.00	19.38	1.08	19.38
#FFFFFF	19.38	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#040F22

Deuteranopia (green-blind)

#010C21

Tritanopia (blue-blind)

#001215

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #030d21;
/* rgb */ color: rgb(3, 13, 33);
/* oklch */ color: oklch(16.2% 0.046 259.5);

Tailwind

colors: {
  custom: {
    50: '#474d5c',
    500: '#030d21',
    950: '#000000',
  },
}

SCSS

$custom: #030d21;
$custom-light: #474d5c;
$custom-dark: #000000;

JSON

{
  "hex": "#030d21",
  "rgb": {
    "r": 3,
    "g": 13,
    "b": 33
  },
  "hsl": {
    "h": 220,
    "s": 83.333,
    "l": 7.059
  },
  "oklch": {
    "l": 0.16214,
    "c": 0.04577,
    "h": 259.5
  },
  "luminance": 0.00417
}

Semantic roles & 50–950 ramp

primary

#030D21

secondary

#654C1B

accent

#B62EFA

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000104

muted

#777779

Preview Lab

Preview with #030D21

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

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