#0A2E39#0A2E39

#0A2E39 is a dark, muted cyan. Relative luminance 0.023; OKLCH L 28.2% C 0.044 H 222.3°. Best body text is #FFFFFF at 14.36:1 contrast (WCAG AA passes).

Color values

HEX	#0A2E39
RGB	rgb(10, 46, 57)
HSL	hsl(194, 70%, 13%)
HSV	hsv(194, 82%, 22%)
CMYK	cmyk(82.5%, 19.3%, 0%, 77.6%)
CIE-LAB	lab(17.05, -8.21, -10.69)
CIE-LCH	lch(17.05, 13.48, 232.48°)
OKLab	oklab(28.16% -0.0329 -0.0299)
OKLCH	oklch(28.16% 0.044 222.3)
XYZ	xyz(1.8404, 2.3137, 4.2197)
Luminance	0.0231 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2E39 #39150A

analogous

#0A392C #0A2E39 #0A1639

triadic

#0A2E39 #390A2E #2E390A

tetradic

#0A2E39 #2C0A39 #39150A #16390A

square

#0A2E39 #2C0A39 #39150A #16390A

split-complementary

#0A2E39 #390A16 #392C0A

monochromatic

#05151A #05151A #0A2E39 #13586D #1C82A1

Accessibility & contrast

On white

14.36

#0A2E39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#0A2E39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2E39

14.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2E39	#FFFFFF	#000000	##FFFFFF
##0A2E39	1.00	14.36	1.46	14.36
#FFFFFF	14.36	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282D3A

Deuteranopia (green-blind)

#212839

Tritanopia (blue-blind)

#003132

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #0a2e39;
/* rgb */ color: rgb(10, 46, 57);
/* oklch */ color: oklch(28.2% 0.044 222.3);

Tailwind

colors: {
  custom: {
    50: '#51666f',
    500: '#0a2e39',
    950: '#000000',
  },
}

SCSS

$custom: #0a2e39;
$custom-light: #51666f;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2e39",
  "rgb": {
    "r": 10,
    "g": 46,
    "b": 57
  },
  "hsl": {
    "h": 194.043,
    "s": 70.149,
    "l": 13.137
  },
  "oklch": {
    "l": 0.2816,
    "c": 0.04443,
    "h": 222.3
  },
  "luminance": 0.02314
}

Semantic roles & 50–950 ramp

primary

#0A2E39

secondary

#763B28

accent

#653BED

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#020607

muted

#787A7A

Preview Lab

Preview with #0A2E39

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

Preview Lab → · Contrast checker → · Palette generator →