#0A1241#0A1241

#0A1241 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.3% C 0.089 H 269.5°. Best body text is #FFFFFF at 17.86:1 contrast (WCAG AA passes).

Color values

HEX	#0A1241
RGB	rgb(10, 18, 65)
HSL	hsl(231, 73%, 15%)
HSV	hsv(231, 85%, 25%)
CMYK	cmyk(84.6%, 72.3%, 0%, 74.5%)
CIE-LAB	lab(7.94, 16.25, -30.83)
CIE-LCH	lch(7.94, 34.85, 297.80°)
OKLab	oklab(21.28% -0.0008 -0.0891)
OKLCH	oklch(21.28% 0.089 269.5)
XYZ	xyz(1.2953, 0.8787, 5.1013)
Luminance	0.0088 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1241 #41390A

analogous

#0A2E41 #0A1241 #1E0A41

triadic

#0A1241 #410A12 #12410A

tetradic

#0A1241 #410A2E #41390A #0A411E

square

#0A1241 #410A2E #41390A #0A411E

split-complementary

#0A1241 #411E0A #2E410A

monochromatic

#04071B #04071B #0A1241 #122176 #1A2FAB

Accessibility & contrast

On white

17.86

#0A1241 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#0A1241 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1241

17.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1241	#FFFFFF	#000000	##FFFFFF
##0A1241	1.00	17.86	1.18	17.86
#FFFFFF	17.86	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A43

Deuteranopia (green-blind)

#001540

Tritanopia (blue-blind)

#001E27

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #0a1241;
/* rgb */ color: rgb(10, 18, 65);
/* oklch */ color: oklch(21.3% 0.089 269.5);

Tailwind

colors: {
  custom: {
    50: '#544f76',
    500: '#0a1241',
    950: '#000000',
  },
}

SCSS

$custom: #0a1241;
$custom-light: #544f76;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1241",
  "rgb": {
    "r": 10,
    "g": 18,
    "b": 65
  },
  "hsl": {
    "h": 231.273,
    "s": 73.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.21277,
    "c": 0.08914,
    "h": 269.5
  },
  "luminance": 0.00879
}

Semantic roles & 50–950 ramp

primary

#0A1241

secondary

#7E7229

accent

#D538F0

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0A1241

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

Preview Lab → · Contrast checker → · Palette generator →