#0A3947#0A3947

#0A3947 is a dark, muted cyan. Relative luminance 0.034; OKLCH L 32.1% C 0.054 H 222.7°. Best body text is #FFFFFF at 12.43:1 contrast (WCAG AA passes).

Color values

HEX	#0A3947
RGB	rgb(10, 57, 71)
HSL	hsl(194, 75%, 16%)
HSV	hsv(194, 86%, 28%)
CMYK	cmyk(85.9%, 19.7%, 0%, 72.2%)
CIE-LAB	lab(21.75, -9.66, -13.01)
CIE-LCH	lch(21.75, 16.21, 233.40°)
OKLab	oklab(32.14% -0.0395 -0.0365)
OKLCH	oklch(32.14% 0.054 222.7)
XYZ	xyz(2.7252, 3.4454, 6.4814)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3947 #47180A

analogous

#0A4736 #0A3947 #0A1A47

triadic

#0A3947 #470A39 #39470A

tetradic

#0A3947 #360A47 #47180A #1A470A

square

#0A3947 #360A47 #47180A #1A470A

split-complementary

#0A3947 #470A1A #47360A

monochromatic

#04161B #04161B #0A3947 #12647D #198FB2

Accessibility & contrast

On white

12.43

#0A3947 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#0A3947 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3947

12.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3947	#FFFFFF	#000000	##FFFFFF
##0A3947	1.00	12.43	1.69	12.43
#FFFFFF	12.43	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313748

Deuteranopia (green-blind)

#293247

Tritanopia (blue-blind)

#003D3E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #0a3947;
/* rgb */ color: rgb(10, 57, 71);
/* oklch */ color: oklch(32.1% 0.054 222.7);

Tailwind

colors: {
  custom: {
    50: '#556f7a',
    500: '#0a3947',
    950: '#000000',
  },
}

SCSS

$custom: #0a3947;
$custom-light: #556f7a;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3947",
  "rgb": {
    "r": 10,
    "g": 57,
    "b": 71
  },
  "hsl": {
    "h": 193.77,
    "s": 75.309,
    "l": 15.882
  },
  "oklch": {
    "l": 0.32142,
    "c": 0.05375,
    "h": 222.7
  },
  "luminance": 0.03446
}

Semantic roles & 50–950 ramp

primary

#0A3947

secondary

#843E29

accent

#6136F2

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030709

muted

#787A7B

Preview Lab

Preview with #0A3947

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

Preview Lab → · Contrast checker → · Palette generator →