#0A2541#0A2541

#0A2541 is a dark, moderate cyan. Relative luminance 0.018; OKLCH L 26.1% C 0.062 H 252.1°. Best body text is #FFFFFF at 15.51:1 contrast (WCAG AA passes).

Color values

HEX	#0A2541
RGB	rgb(10, 37, 65)
HSL	hsl(211, 73%, 15%)
HSV	hsv(211, 85%, 25%)
CMYK	cmyk(84.6%, 43.1%, 0%, 74.5%)
CIE-LAB	lab(14.23, 1.51, -20.68)
CIE-LCH	lch(14.23, 20.73, 274.17°)
OKLab	oklab(26.07% -0.019 -0.0589)
OKLCH	oklch(26.07% 0.062 252.1)
XYZ	xyz(1.7405, 1.7691, 5.2497)
Luminance	0.0177 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2541 #41260A

analogous

#0A4141 #0A2541 #0A0A41

triadic

#0A2541 #410A25 #25410A

tetradic

#0A2541 #410A41 #41260A #0A410A

square

#0A2541 #410A41 #41260A #0A410A

split-complementary

#0A2541 #410A0A #41410A

monochromatic

#040F1B #040F1B #0A2541 #124376 #1A61AB

Accessibility & contrast

On white

15.51

#0A2541 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#0A2541 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2541

15.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2541	#FFFFFF	#000000	##FFFFFF
##0A2541	1.00	15.51	1.35	15.51
#FFFFFF	15.51	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#182742

Deuteranopia (green-blind)

#102240

Tritanopia (blue-blind)

#002C2F

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #0a2541;
/* rgb */ color: rgb(10, 37, 65);
/* oklch */ color: oklch(26.1% 0.062 252.1);

Tailwind

colors: {
  custom: {
    50: '#525f76',
    500: '#0a2541',
    950: '#000000',
  },
}

SCSS

$custom: #0a2541;
$custom-light: #525f76;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2541",
  "rgb": {
    "r": 10,
    "g": 37,
    "b": 65
  },
  "hsl": {
    "h": 210.545,
    "s": 73.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.26066,
    "c": 0.06194,
    "h": 252.1
  },
  "luminance": 0.01769
}

Semantic roles & 50–950 ramp

primary

#0A2541

secondary

#7E5429

accent

#9638F0

background

#F4F5F7

surface

#E7E9ED

border

#C3C5C8

text

#030408

muted

#78797B

Preview Lab

Preview with #0A2541

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

Preview Lab → · Contrast checker → · Palette generator →