#0A2B37#0A2B37

#0A2B37 is a dark, muted cyan. Relative luminance 0.021; OKLCH L 27.2% C 0.043 H 226.1°. Best body text is #FFFFFF at 14.86:1 contrast (WCAG AA passes).

Color values

HEX	#0A2B37
RGB	rgb(10, 43, 55)
HSL	hsl(196, 69%, 13%)
HSV	hsv(196, 82%, 22%)
CMYK	cmyk(81.8%, 21.8%, 0%, 78.4%)
CIE-LAB	lab(15.84, -7.04, -11.17)
CIE-LCH	lch(15.84, 13.20, 237.79°)
OKLab	oklab(27.16% -0.0301 -0.0313)
OKLCH	oklch(27.16% 0.043 226.1)
XYZ	xyz(1.6784, 2.0679, 3.9244)
Luminance	0.0207 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2B37 #37160A

analogous

#0A372C #0A2B37 #0A1437

triadic

#0A2B37 #370A2B #2B370A

tetradic

#0A2B37 #2C0A37 #37160A #14370A

square

#0A2B37 #2C0A37 #37160A #14370A

split-complementary

#0A2B37 #370A14 #372C0A

monochromatic

#05141A #05141A #0A2B37 #13536B #1D7C9F

Accessibility & contrast

On white

14.86

#0A2B37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#0A2B37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2B37

14.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2B37	#FFFFFF	#000000	##FFFFFF
##0A2B37	1.00	14.86	1.41	14.86
#FFFFFF	14.86	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242A38

Deuteranopia (green-blind)

#1E2537

Tritanopia (blue-blind)

#002F2F

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #0a2b37;
/* rgb */ color: rgb(10, 43, 55);
/* oklch */ color: oklch(27.2% 0.043 226.1);

Tailwind

colors: {
  custom: {
    50: '#50646d',
    500: '#0a2b37',
    950: '#000000',
  },
}

SCSS

$custom: #0a2b37;
$custom-light: #50646d;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2b37",
  "rgb": {
    "r": 10,
    "g": 43,
    "b": 55
  },
  "hsl": {
    "h": 196,
    "s": 69.231,
    "l": 12.745
  },
  "oklch": {
    "l": 0.27155,
    "c": 0.04338,
    "h": 226.1
  },
  "luminance": 0.02068
}

Semantic roles & 50–950 ramp

primary

#0A2B37

secondary

#743D28

accent

#6B3CEC

background

#F4F5F6

surface

#E7EAEB

border

#C3C6C6

text

#020507

muted

#78797A

Preview Lab

Preview with #0A2B37

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

Preview Lab → · Contrast checker → · Palette generator →