#0A122E#0A122E

#0A122E is a very dark, muted blue. Relative luminance 0.007; OKLCH L 19.4% C 0.057 H 268.6°. Best body text is #FFFFFF at 18.44:1 contrast (WCAG AA passes).

Color values

HEX	#0A122E
RGB	rgb(10, 18, 46)
HSL	hsl(227, 64%, 11%)
HSV	hsv(227, 78%, 18%)
CMYK	cmyk(78.3%, 60.9%, 0%, 82%)
CIE-LAB	lab(6.27, 7.15, -19.74)
CIE-LCH	lch(6.27, 20.99, 289.92°)
OKLab	oklab(19.36% -0.0014 -0.0573)
OKLCH	oklch(19.36% 0.057 268.6)
XYZ	xyz(0.8345, 0.6943, 2.6743)
Luminance	0.0069 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.38

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A122E #2E260A

analogous

#0A242E #0A122E #140A2E

triadic

#0A122E #2E0A12 #122E0A

tetradic

#0A122E #2E0A24 #2E260A #0A2E14

square

#0A122E #2E0A24 #2E260A #0A2E14

split-complementary

#0A122E #2E140A #242E0A

monochromatic

#050A19 #050A19 #0A122E #152660 #203993

Accessibility & contrast

On white

18.44

#0A122E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#0A122E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A122E

18.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A122E	#FFFFFF	#000000	##FFFFFF
##0A122E	1.00	18.44	1.14	18.44
#FFFFFF	18.44	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#04162F

Deuteranopia (green-blind)

#00122D

Tritanopia (blue-blind)

#00181D

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #0a122e;
/* rgb */ color: rgb(10, 18, 46);
/* oklch */ color: oklch(19.4% 0.057 268.6);

Tailwind

colors: {
  custom: {
    50: '#4d4f67',
    500: '#0a122e',
    950: '#000000',
  },
}

SCSS

$custom: #0a122e;
$custom-light: #4d4f67;
$custom-dark: #000000;

JSON

{
  "hex": "#0a122e",
  "rgb": {
    "r": 10,
    "g": 18,
    "b": 46
  },
  "hsl": {
    "h": 226.667,
    "s": 64.286,
    "l": 10.98
  },
  "oklch": {
    "l": 0.19362,
    "c": 0.05728,
    "h": 268.6
  },
  "luminance": 0.00694
}

Semantic roles & 50–950 ramp

primary

#0A122E

secondary

#6B5C29

accent

#C241E7

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020206

muted

#78787A

Preview Lab

Preview with #0A122E

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

Preview Lab → · Contrast checker → · Palette generator →