#0A2744#0A2744

#0A2744 is a dark, moderate cyan. Relative luminance 0.019; OKLCH L 26.8% C 0.064 H 251.5°. Best body text is #FFFFFF at 15.14:1 contrast (WCAG AA passes).

Color values

HEX	#0A2744
RGB	rgb(10, 39, 68)
HSL	hsl(210, 74%, 15%)
HSV	hsv(210, 85%, 27%)
CMYK	cmyk(85.3%, 42.6%, 0%, 73.3%)
CIE-LAB	lab(15.13, 1.37, -21.32)
CIE-LCH	lch(15.13, 21.37, 273.67°)
OKLab	oklab(26.84% -0.0203 -0.0608)
OKLCH	oklch(26.84% 0.064 251.5)
XYZ	xyz(1.8937, 1.9327, 5.7410)
Luminance	0.0193 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2744 #44270A

analogous

#0A4444 #0A2744 #0A0A44

triadic

#0A2744 #440A27 #27440A

tetradic

#0A2744 #440A44 #44270A #0A440A

square

#0A2744 #440A44 #44270A #0A440A

split-complementary

#0A2744 #440A0A #44440A

monochromatic

#040F1B #040F1B #0A2744 #124679 #1A64AF

Accessibility & contrast

On white

15.14

#0A2744 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#0A2744 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2744

15.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2744	#FFFFFF	#000000	##FFFFFF
##0A2744	1.00	15.14	1.39	15.14
#FFFFFF	15.14	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#192945

Deuteranopia (green-blind)

#112443

Tritanopia (blue-blind)

#002E32

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #0a2744;
/* rgb */ color: rgb(10, 39, 68);
/* oklch */ color: oklch(26.8% 0.064 251.5);

Tailwind

colors: {
  custom: {
    50: '#536078',
    500: '#0a2744',
    950: '#000000',
  },
}

SCSS

$custom: #0a2744;
$custom-light: #536078;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2744",
  "rgb": {
    "r": 10,
    "g": 39,
    "b": 68
  },
  "hsl": {
    "h": 210,
    "s": 74.359,
    "l": 15.294
  },
  "oklch": {
    "l": 0.26838,
    "c": 0.0641,
    "h": 251.5
  },
  "luminance": 0.01933
}

Semantic roles & 50–950 ramp

primary

#0A2744

secondary

#815529

accent

#9437F1

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030409

muted

#78797B

Preview Lab

Preview with #0A2744

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

Preview Lab → · Contrast checker → · Palette generator →