#0A2D3F#0A2D3F

#0A2D3F is a dark, muted cyan. Relative luminance 0.023; OKLCH L 28.2% C 0.051 H 235.5°. Best body text is #FFFFFF at 14.38:1 contrast (WCAG AA passes).

Color values

HEX	#0A2D3F
RGB	rgb(10, 45, 63)
HSL	hsl(200, 73%, 14%)
HSV	hsv(200, 84%, 25%)
CMYK	cmyk(84.1%, 28.6%, 0%, 75.3%)
CIE-LAB	lab(16.99, -5.07, -14.94)
CIE-LCH	lch(16.99, 15.78, 251.25°)
OKLab	oklab(28.21% -0.029 -0.0421)
OKLCH	oklch(28.21% 0.051 235.5)
XYZ	xyz(1.9604, 2.3000, 5.0423)
Luminance	0.0230 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2D3F #3F1C0A

analogous

#0A3F37 #0A2D3F #0A133F

triadic

#0A2D3F #3F0A2D #2D3F0A

tetradic

#0A2D3F #370A3F #3F1C0A #133F0A

square

#0A2D3F #370A3F #3F1C0A #133F0A

split-complementary

#0A2D3F #3F0A13 #3F370A

monochromatic

#04131A #04131A #0A2D3F #125374 #1B78A9

Accessibility & contrast

On white

14.38

#0A2D3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#0A2D3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2D3F

14.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2D3F	#FFFFFF	#000000	##FFFFFF
##0A2D3F	1.00	14.38	1.46	14.38
#FFFFFF	14.38	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242D40

Deuteranopia (green-blind)

#1D283F

Tritanopia (blue-blind)

#003233

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #0a2d3f;
/* rgb */ color: rgb(10, 45, 63);
/* oklch */ color: oklch(28.2% 0.051 235.5);

Tailwind

colors: {
  custom: {
    50: '#526574',
    500: '#0a2d3f',
    950: '#000000',
  },
}

SCSS

$custom: #0a2d3f;
$custom-light: #526574;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2d3f",
  "rgb": {
    "r": 10,
    "g": 45,
    "b": 63
  },
  "hsl": {
    "h": 200.377,
    "s": 72.603,
    "l": 14.314
  },
  "oklch": {
    "l": 0.28208,
    "c": 0.05112,
    "h": 235.5
  },
  "luminance": 0.023
}

Semantic roles & 50–950 ramp

primary

#0A2D3F

secondary

#7C4529

accent

#7738EF

background

#F4F6F7

surface

#E7EBED

border

#C3C6C8

text

#030508

muted

#787A7B

Preview Lab

Preview with #0A2D3F

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

Preview Lab → · Contrast checker → · Palette generator →