#0A2549#0A2549

#0A2549 is a dark, moderate cyan. Relative luminance 0.019; OKLCH L 26.7% C 0.075 H 256.9°. Best body text is #FFFFFF at 15.29:1 contrast (WCAG AA passes).

Color values

HEX	#0A2549
RGB	rgb(10, 37, 73)
HSL	hsl(214, 76%, 16%)
HSV	hsv(214, 86%, 29%)
CMYK	cmyk(86.3%, 49.3%, 0%, 71.4%)
CIE-LAB	lab(14.78, 5.10, -25.33)
CIE-LCH	lch(14.78, 25.83, 281.39°)
OKLab	oklab(26.68% -0.0169 -0.0726)
OKLCH	oklch(26.68% 0.075 256.9)
XYZ	xyz(1.9889, 1.8685, 6.5579)
Luminance	0.0187 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2549 #492E0A

analogous

#0A4549 #0A2549 #0F0A49

triadic

#0A2549 #490A25 #25490A

tetradic

#0A2549 #490A45 #492E0A #0A490F

square

#0A2549 #490A45 #492E0A #0A490F

split-complementary

#0A2549 #490F0A #45490A

monochromatic

#040E1B #040E1B #0A2549 #11407F #195CB5

Accessibility & contrast

On white

15.29

#0A2549 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#0A2549 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2549

15.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2549	#FFFFFF	#000000	##FFFFFF
##0A2549	1.00	15.29	1.37	15.29
#FFFFFF	15.29	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13284A

Deuteranopia (green-blind)

#062348

Tritanopia (blue-blind)

#002E33

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #0a2549;
/* rgb */ color: rgb(10, 37, 73);
/* oklch */ color: oklch(26.7% 0.075 256.9);

Tailwind

colors: {
  custom: {
    50: '#555f7c',
    500: '#0a2549',
    950: '#000000',
  },
}

SCSS

$custom: #0a2549;
$custom-light: #555f7c;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2549",
  "rgb": {
    "r": 10,
    "g": 37,
    "b": 73
  },
  "hsl": {
    "h": 214.286,
    "s": 75.904,
    "l": 16.275
  },
  "oklch": {
    "l": 0.26678,
    "c": 0.07452,
    "h": 256.9
  },
  "luminance": 0.01869
}

Semantic roles & 50–950 ramp

primary

#0A2549

secondary

#865E29

accent

#A135F2

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#030409

muted

#78797B

Preview Lab

Preview with #0A2549

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

Preview Lab → · Contrast checker → · Palette generator →