#0A1B44#0A1B44

#0A1B44 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 23.7% C 0.081 H 264.2°. Best body text is #FFFFFF at 16.76:1 contrast (WCAG AA passes).

Color values

HEX	#0A1B44
RGB	rgb(10, 27, 68)
HSL	hsl(222, 74%, 15%)
HSV	hsv(222, 85%, 27%)
CMYK	cmyk(85.3%, 60.3%, 0%, 73.3%)
CIE-LAB	lab(11.03, 10.55, -27.90)
CIE-LCH	lch(11.03, 29.83, 290.71°)
OKLab	oklab(23.68% -0.0082 -0.0804)
OKLCH	oklch(23.68% 0.081 264.2)
XYZ	xyz(1.5601, 1.2656, 5.6298)
Luminance	0.0127 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1B44 #44330A

analogous

#0A3844 #0A1B44 #160A44

triadic

#0A1B44 #440A1B #1B440A

tetradic

#0A1B44 #440A38 #44330A #0A4416

square

#0A1B44 #440A38 #44330A #0A4416

split-complementary

#0A1B44 #44160A #38440A

monochromatic

#040B1B #040B1B #0A1B44 #123079 #1A45AF

Accessibility & contrast

On white

16.76

#0A1B44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#0A1B44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1B44

16.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1B44	#FFFFFF	#000000	##FFFFFF
##0A1B44	1.00	16.76	1.25	16.76
#FFFFFF	16.76	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#012045

Deuteranopia (green-blind)

#001B43

Tritanopia (blue-blind)

#00252C

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #0a1b44;
/* rgb */ color: rgb(10, 27, 68);
/* oklch */ color: oklch(23.7% 0.081 264.2);

Tailwind

colors: {
  custom: {
    50: '#545678',
    500: '#0a1b44',
    950: '#000000',
  },
}

SCSS

$custom: #0a1b44;
$custom-light: #545678;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1b44",
  "rgb": {
    "r": 10,
    "g": 27,
    "b": 68
  },
  "hsl": {
    "h": 222.414,
    "s": 74.359,
    "l": 15.294
  },
  "oklch": {
    "l": 0.23679,
    "c": 0.08081,
    "h": 264.2
  },
  "luminance": 0.01266
}

Semantic roles & 50–950 ramp

primary

#0A1B44

secondary

#816729

accent

#BA37F1

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030309

muted

#78787B

Preview Lab

Preview with #0A1B44

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

Preview Lab → · Contrast checker → · Palette generator →