#0A333D#0A333D

#0A333D is a dark, muted cyan. Relative luminance 0.028; OKLCH L 29.9% C 0.047 H 217.8°. Best body text is #FFFFFF at 13.52:1 contrast (WCAG AA passes).

Color values

HEX	#0A333D
RGB	rgb(10, 51, 61)
HSL	hsl(192, 72%, 14%)
HSV	hsv(192, 84%, 24%)
CMYK	cmyk(83.6%, 16.4%, 0%, 76.1%)
CIE-LAB	lab(19.09, -9.84, -10.32)
CIE-LCH	lch(19.09, 14.26, 226.37°)
OKLab	oklab(29.86% -0.0371 -0.0288)
OKLCH	oklch(29.86% 0.047 217.8)
XYZ	xyz(2.1510, 2.7689, 4.8351)
Luminance	0.0277 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A333D #3D140A

analogous

#0A3D2E #0A333D #0A1A3D

triadic

#0A333D #3D0A33 #333D0A

tetradic

#0A333D #2E0A3D #3D140A #1A3D0A

square

#0A333D #2E0A3D #3D140A #1A3D0A

split-complementary

#0A333D #3D0A1A #3D2E0A

monochromatic

#04161A #04161A #0A333D #135F72 #1B8BA6

Accessibility & contrast

On white

13.52

#0A333D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#0A333D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A333D

13.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A333D	#FFFFFF	#000000	##FFFFFF
##0A333D	1.00	13.52	1.55	13.52
#FFFFFF	13.52	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D313E

Deuteranopia (green-blind)

#262C3D

Tritanopia (blue-blind)

#003636

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #0a333d;
/* rgb */ color: rgb(10, 51, 61);
/* oklch */ color: oklch(29.9% 0.047 217.8);

Tailwind

colors: {
  custom: {
    50: '#526a72',
    500: '#0a333d',
    950: '#000000',
  },
}

SCSS

$custom: #0a333d;
$custom-light: #526a72;
$custom-dark: #000000;

JSON

{
  "hex": "#0a333d",
  "rgb": {
    "r": 10,
    "g": 51,
    "b": 61
  },
  "hsl": {
    "h": 191.765,
    "s": 71.831,
    "l": 13.922
  },
  "oklch": {
    "l": 0.29859,
    "c": 0.04697,
    "h": 217.8
  },
  "luminance": 0.02769
}

Semantic roles & 50–950 ramp

primary

#0A333D

secondary

#7A3928

accent

#5D39EF

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#030608

muted

#787A7B

Preview Lab

Preview with #0A333D

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

Preview Lab → · Contrast checker → · Palette generator →