#0A2833#0A2833

#0A2833 is a dark, muted cyan. Relative luminance 0.018; OKLCH L 26.0% C 0.040 H 226.0°. Best body text is #FFFFFF at 15.39:1 contrast (WCAG AA passes).

Color values

HEX	#0A2833
RGB	rgb(10, 40, 51)
HSL	hsl(196, 67%, 12%)
HSV	hsv(196, 80%, 20%)
CMYK	cmyk(80.4%, 21.6%, 0%, 80%)
CIE-LAB	lab(14.52, -6.65, -10.39)
CIE-LCH	lch(14.52, 12.34, 237.38°)
OKLab	oklab(26.03% -0.0281 -0.0291)
OKLCH	oklch(26.03% 0.04 226)
XYZ	xyz(1.4813, 1.8210, 3.4047)
Luminance	0.0182 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2833 #33150A

analogous

#0A332A #0A2833 #0A1433

triadic

#0A2833 #330A28 #28330A

tetradic

#0A2833 #2A0A33 #33150A #14330A

square

#0A2833 #2A0A33 #33150A #14330A

split-complementary

#0A2833 #330A14 #332A0A

monochromatic

#05141A #05141A #0A2833 #145066 #1E7899

Accessibility & contrast

On white

15.39

#0A2833 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#0A2833 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2833

15.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2833	#FFFFFF	#000000	##FFFFFF
##0A2833	1.00	15.39	1.36	15.39
#FFFFFF	15.39	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#222734

Deuteranopia (green-blind)

#1C2333

Tritanopia (blue-blind)

#002B2C

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #0a2833;
/* rgb */ color: rgb(10, 40, 51);
/* oklch */ color: oklch(26.0% 0.040 226.0);

Tailwind

colors: {
  custom: {
    50: '#4f616a',
    500: '#0a2833',
    950: '#000000',
  },
}

SCSS

$custom: #0a2833;
$custom-light: #4f616a;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2833",
  "rgb": {
    "r": 10,
    "g": 40,
    "b": 51
  },
  "hsl": {
    "h": 196.098,
    "s": 67.213,
    "l": 11.961
  },
  "oklch": {
    "l": 0.26033,
    "c": 0.04043,
    "h": 226
  },
  "luminance": 0.01821
}

Semantic roles & 50–950 ramp

primary

#0A2833

secondary

#703C28

accent

#6C3EEA

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020506

muted

#78797A

Preview Lab

Preview with #0A2833

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

Preview Lab → · Contrast checker → · Palette generator →