#0A2C3F#0A2C3F

#0A2C3F is a dark, muted cyan. Relative luminance 0.022; OKLCH L 27.9% C 0.052 H 237.6°. Best body text is #FFFFFF at 14.53:1 contrast (WCAG AA passes).

Color values

HEX	#0A2C3F
RGB	rgb(10, 44, 63)
HSL	hsl(202, 73%, 14%)
HSV	hsv(202, 84%, 25%)
CMYK	cmyk(84.1%, 30.2%, 0%, 75.3%)
CIE-LAB	lab(16.62, -4.39, -15.51)
CIE-LCH	lch(16.62, 16.12, 254.21°)
OKLab	oklab(27.92% -0.0278 -0.0438)
OKLCH	oklch(27.92% 0.052 237.6)
XYZ	xyz(1.9227, 2.2246, 5.0297)
Luminance	0.0222 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2C3F #3F1D0A

analogous

#0A3F38 #0A2C3F #0A123F

triadic

#0A2C3F #3F0A2C #2C3F0A

tetradic

#0A2C3F #380A3F #3F1D0A #123F0A

square

#0A2C3F #380A3F #3F1D0A #123F0A

split-complementary

#0A2C3F #3F0A12 #3F380A

monochromatic

#04121A #04121A #0A2C3F #125174 #1B76A9

Accessibility & contrast

On white

14.53

#0A2C3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#0A2C3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2C3F

14.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2C3F	#FFFFFF	#000000	##FFFFFF
##0A2C3F	1.00	14.53	1.45	14.53
#FFFFFF	14.53	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#232C40

Deuteranopia (green-blind)

#1C273F

Tritanopia (blue-blind)

#003133

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #0a2c3f;
/* rgb */ color: rgb(10, 44, 63);
/* oklch */ color: oklch(27.9% 0.052 237.6);

Tailwind

colors: {
  custom: {
    50: '#526574',
    500: '#0a2c3f',
    950: '#000000',
  },
}

SCSS

$custom: #0a2c3f;
$custom-light: #526574;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2c3f",
  "rgb": {
    "r": 10,
    "g": 44,
    "b": 63
  },
  "hsl": {
    "h": 201.509,
    "s": 72.603,
    "l": 14.314
  },
  "oklch": {
    "l": 0.27918,
    "c": 0.05184,
    "h": 237.6
  },
  "luminance": 0.02225
}

Semantic roles & 50–950 ramp

primary

#0A2C3F

secondary

#7C4729

accent

#7A38EF

background

#F4F6F7

surface

#E7EBED

border

#C3C6C8

text

#030508

muted

#787A7B

Preview Lab

Preview with #0A2C3F

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

Preview Lab → · Contrast checker → · Palette generator →