#0A2F37#0A2F37

#0A2F37 is a dark, muted cyan. Relative luminance 0.024; OKLCH L 28.4% C 0.043 H 215.1°. Best body text is #FFFFFF at 14.24:1 contrast (WCAG AA passes).

Color values

HEX	#0A2F37
RGB	rgb(10, 47, 55)
HSL	hsl(191, 69%, 13%)
HSV	hsv(191, 82%, 22%)
CMYK	cmyk(81.8%, 14.5%, 0%, 78.4%)
CIE-LAB	lab(17.34, -9.65, -8.87)
CIE-LCH	lch(17.34, 13.11, 222.60°)
OKLab	oklab(28.36% -0.0351 -0.0247)
OKLCH	oklch(28.36% 0.043 215.1)
XYZ	xyz(1.8310, 2.3732, 3.9753)
Luminance	0.0237 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2F37 #37120A

analogous

#0A3728 #0A2F37 #0A1837

triadic

#0A2F37 #370A2F #2F370A

tetradic

#0A2F37 #280A37 #37120A #18370A

square

#0A2F37 #280A37 #37120A #18370A

split-complementary

#0A2F37 #370A18 #37280A

monochromatic

#05161A #05161A #0A2F37 #135B6B #1D889F

Accessibility & contrast

On white

14.24

#0A2F37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#0A2F37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2F37

14.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2F37	#FFFFFF	#000000	##FFFFFF
##0A2F37	1.00	14.24	1.47	14.24
#FFFFFF	14.24	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292D37

Deuteranopia (green-blind)

#232937

Tritanopia (blue-blind)

#003231

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #0a2f37;
/* rgb */ color: rgb(10, 47, 55);
/* oklch */ color: oklch(28.4% 0.043 215.1);

Tailwind

colors: {
  custom: {
    50: '#51676d',
    500: '#0a2f37',
    950: '#000000',
  },
}

SCSS

$custom: #0a2f37;
$custom-light: #51676d;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2f37",
  "rgb": {
    "r": 10,
    "g": 47,
    "b": 55
  },
  "hsl": {
    "h": 190.667,
    "s": 69.231,
    "l": 12.745
  },
  "oklch": {
    "l": 0.28355,
    "c": 0.04294,
    "h": 215.1
  },
  "luminance": 0.02373
}

Semantic roles & 50–950 ramp

primary

#0A2F37

secondary

#743628

accent

#5B3CEC

background

#F4F6F6

surface

#E7EBEB

border

#C3C6C6

text

#020607

muted

#787A7A

Preview Lab

Preview with #0A2F37

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

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