#0A1844#0A1844

#0A1844 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.0% C 0.085 H 266.2°. Best body text is #FFFFFF at 17.11:1 contrast (WCAG AA passes).

Color values

HEX	#0A1844
RGB	rgb(10, 24, 68)
HSL	hsl(226, 74%, 15%)
HSV	hsv(226, 85%, 27%)
CMYK	cmyk(85.3%, 64.7%, 0%, 73.3%)
CIE-LAB	lab(10.07, 12.91, -29.47)
CIE-LCH	lch(10.07, 32.17, 293.65°)
OKLab	oklab(22.95% -0.0056 -0.085)
OKLCH	oklch(22.95% 0.085 266.2)
XYZ	xyz(1.4948, 1.1350, 5.6080)
Luminance	0.0114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.09

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1844 #44360A

analogous

#0A3544 #0A1844 #190A44

triadic

#0A1844 #440A18 #18440A

tetradic

#0A1844 #440A35 #44360A #0A4419

square

#0A1844 #440A35 #44360A #0A4419

split-complementary

#0A1844 #44190A #35440A

monochromatic

#04091B #04091B #0A1844 #122B79 #1A3EAF

Accessibility & contrast

On white

17.11

#0A1844 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#0A1844 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1844

17.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1844	#FFFFFF	#000000	##FFFFFF
##0A1844	1.00	17.11	1.23	17.11
#FFFFFF	17.11	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E45

Deuteranopia (green-blind)

#001943

Tritanopia (blue-blind)

#00232B

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #0a1844;
/* rgb */ color: rgb(10, 24, 68);
/* oklch */ color: oklch(23.0% 0.085 266.2);

Tailwind

colors: {
  custom: {
    50: '#545478',
    500: '#0a1844',
    950: '#000000',
  },
}

SCSS

$custom: #0a1844;
$custom-light: #545478;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1844",
  "rgb": {
    "r": 10,
    "g": 24,
    "b": 68
  },
  "hsl": {
    "h": 225.517,
    "s": 74.359,
    "l": 15.294
  },
  "oklch": {
    "l": 0.22953,
    "c": 0.08523,
    "h": 266.2
  },
  "luminance": 0.01135
}

Semantic roles & 50–950 ramp

primary

#0A1844

secondary

#816C29

accent

#C437F1

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030209

muted

#78787B

Preview Lab

Preview with #0A1844

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

Preview Lab → · Contrast checker → · Palette generator →