#0A273D#0A273D

#0A273D is a dark, muted cyan. Relative luminance 0.019; OKLCH L 26.4% C 0.054 H 245.0°. Best body text is #FFFFFF at 15.32:1 contrast (WCAG AA passes).

Color values

HEX	#0A273D
RGB	rgb(10, 39, 61)
HSL	hsl(206, 72%, 14%)
HSV	hsv(206, 84%, 24%)
CMYK	cmyk(83.6%, 36.1%, 0%, 76.1%)
CIE-LAB	lab(14.69, -1.72, -17.15)
CIE-LCH	lch(14.69, 17.24, 264.27°)
OKLab	oklab(26.35% -0.0227 -0.0486)
OKLCH	oklch(26.35% 0.054 245)
XYZ	xyz(1.6927, 1.8523, 4.6823)
Luminance	0.0185 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A273D #3D200A

analogous

#0A3D3A #0A273D #0A0E3D

triadic

#0A273D #3D0A27 #273D0A

tetradic

#0A273D #3A0A3D #3D200A #0E3D0A

square

#0A273D #3A0A3D #3D200A #0E3D0A

split-complementary

#0A273D #3D0A0E #3D3A0A

monochromatic

#04111A #04111A #0A273D #134972 #1B6AA6

Accessibility & contrast

On white

15.32

#0A273D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#0A273D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A273D

15.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A273D	#FFFFFF	#000000	##FFFFFF
##0A273D	1.00	15.32	1.37	15.32
#FFFFFF	15.32	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D283E

Deuteranopia (green-blind)

#16233D

Tritanopia (blue-blind)

#002C2F

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #0a273d;
/* rgb */ color: rgb(10, 39, 61);
/* oklch */ color: oklch(26.4% 0.054 245.0);

Tailwind

colors: {
  custom: {
    50: '#516072',
    500: '#0a273d',
    950: '#000000',
  },
}

SCSS

$custom: #0a273d;
$custom-light: #516072;
$custom-dark: #000000;

JSON

{
  "hex": "#0a273d",
  "rgb": {
    "r": 10,
    "g": 39,
    "b": 61
  },
  "hsl": {
    "h": 205.882,
    "s": 71.831,
    "l": 13.922
  },
  "oklch": {
    "l": 0.26351,
    "c": 0.05361,
    "h": 245
  },
  "luminance": 0.01852
}

Semantic roles & 50–950 ramp

primary

#0A273D

secondary

#7A4C28

accent

#8739EF

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020508

muted

#78797B

Preview Lab

Preview with #0A273D

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

Preview Lab → · Contrast checker → · Palette generator →