#0A1641#0A1641

#0A1641 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.2% C 0.083 H 267.2°. Best body text is #FFFFFF at 17.44:1 contrast (WCAG AA passes).

Color values

HEX	#0A1641
RGB	rgb(10, 22, 65)
HSL	hsl(227, 73%, 15%)
HSV	hsv(227, 85%, 25%)
CMYK	cmyk(84.6%, 66.2%, 0%, 74.5%)
CIE-LAB	lab(9.16, 13.13, -28.84)
CIE-LCH	lch(9.16, 31.69, 294.48°)
OKLab	oklab(22.18% -0.004 -0.0832)
OKLCH	oklch(22.18% 0.083 267.2)
XYZ	xyz(1.3659, 1.0199, 5.1249)
Luminance	0.0102 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.46

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1641 #41350A

analogous

#0A3241 #0A1641 #1A0A41

triadic

#0A1641 #410A16 #16410A

tetradic

#0A1641 #410A32 #41350A #0A411A

square

#0A1641 #410A32 #41350A #0A411A

split-complementary

#0A1641 #411A0A #32410A

monochromatic

#04091B #04091B #0A1641 #122876 #1A3AAB

Accessibility & contrast

On white

17.44

#0A1641 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#0A1641 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1641

17.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1641	#FFFFFF	#000000	##FFFFFF
##0A1641	1.00	17.44	1.20	17.44
#FFFFFF	17.44	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C42

Deuteranopia (green-blind)

#001740

Tritanopia (blue-blind)

#002128

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #0a1641;
/* rgb */ color: rgb(10, 22, 65);
/* oklch */ color: oklch(22.2% 0.083 267.2);

Tailwind

colors: {
  custom: {
    50: '#535276',
    500: '#0a1641',
    950: '#000000',
  },
}

SCSS

$custom: #0a1641;
$custom-light: #535276;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1641",
  "rgb": {
    "r": 10,
    "g": 22,
    "b": 65
  },
  "hsl": {
    "h": 226.909,
    "s": 73.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.22181,
    "c": 0.08334,
    "h": 267.2
  },
  "luminance": 0.0102
}

Semantic roles & 50–950 ramp

primary

#0A1641

secondary

#7E6C29

accent

#C838F0

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0A1641

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

Preview Lab → · Contrast checker → · Palette generator →