#030A21#030A21

#030A21 is a very dark, muted blue. Relative luminance 0.003; OKLCH L 15.4% C 0.051 H 264.3°. Best body text is #FFFFFF at 19.64:1 contrast (WCAG AA passes).

Color values

HEX	#030A21
RGB	rgb(3, 10, 33)
HSL	hsl(226, 83%, 7%)
HSV	hsv(226, 91%, 13%)
CMYK	cmyk(90.9%, 69.7%, 0%, 87.1%)
CIE-LAB	lab(3.13, 3.75, -14.79)
CIE-LCH	lch(3.13, 15.25, 284.22°)
OKLab	oklab(15.36% -0.005 -0.0504)
OKLCH	oklch(15.36% 0.051 264.3)
XYZ	xyz(0.4205, 0.3462, 1.4832)
Luminance	0.0035 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030A21 #211A03

analogous

#031921 #030A21 #0B0321

triadic

#030A21 #21030A #0A2103

tetradic

#030A21 #210319 #211A03 #03210B

square

#030A21 #210319 #211A03 #03210B

split-complementary

#030A21 #210B03 #192103

monochromatic

#03091C #03091C #030A21 #081B59 #0D2C91

Accessibility & contrast

On white

19.64

#030A21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#030A21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030A21

19.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030A21	#FFFFFF	#000000	##FFFFFF
##030A21	1.00	19.64	1.07	19.64
#FFFFFF	19.64	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#010D22

Deuteranopia (green-blind)

#000A21

Tritanopia (blue-blind)

#001013

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #030a21;
/* rgb */ color: rgb(3, 10, 33);
/* oklch */ color: oklch(15.4% 0.051 264.3);

Tailwind

colors: {
  custom: {
    50: '#474b5c',
    500: '#030a21',
    950: '#000000',
  },
}

SCSS

$custom: #030a21;
$custom-light: #474b5c;
$custom-dark: #000000;

JSON

{
  "hex": "#030a21",
  "rgb": {
    "r": 3,
    "g": 10,
    "b": 33
  },
  "hsl": {
    "h": 226,
    "s": 83.333,
    "l": 7.059
  },
  "oklch": {
    "l": 0.15356,
    "c": 0.05065,
    "h": 264.3
  },
  "luminance": 0.00346
}

Semantic roles & 50–950 ramp

primary

#030A21

secondary

#65541B

accent

#CA2EFA

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000104

muted

#777779

Preview Lab

Preview with #030A21

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

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