#0A3847#0A3847

#0A3847 is a dark, muted cyan. Relative luminance 0.033; OKLCH L 31.9% C 0.054 H 224.8°. Best body text is #FFFFFF at 12.58:1 contrast (WCAG AA passes).

Color values

HEX	#0A3847
RGB	rgb(10, 56, 71)
HSL	hsl(195, 75%, 16%)
HSV	hsv(195, 86%, 28%)
CMYK	cmyk(85.9%, 21.1%, 0%, 72.2%)
CIE-LAB	lab(21.39, -9.03, -13.57)
CIE-LCH	lch(21.39, 16.30, 236.35°)
OKLab	oklab(31.85% -0.0383 -0.038)
OKLCH	oklch(31.85% 0.054 224.8)
XYZ	xyz(2.6762, 3.3475, 6.4651)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3847 #47190A

analogous

#0A4737 #0A3847 #0A1947

triadic

#0A3847 #470A38 #38470A

tetradic

#0A3847 #370A47 #47190A #19470A

square

#0A3847 #370A47 #47190A #19470A

split-complementary

#0A3847 #470A19 #47370A

monochromatic

#04151B #04151B #0A3847 #12627D #198DB2

Accessibility & contrast

On white

12.58

#0A3847 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#0A3847 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3847

12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3847	#FFFFFF	#000000	##FFFFFF
##0A3847	1.00	12.58	1.67	12.58
#FFFFFF	12.58	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303748

Deuteranopia (green-blind)

#283147

Tritanopia (blue-blind)

#003C3D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #0a3847;
/* rgb */ color: rgb(10, 56, 71);
/* oklch */ color: oklch(31.9% 0.054 224.8);

Tailwind

colors: {
  custom: {
    50: '#556e7a',
    500: '#0a3847',
    950: '#000000',
  },
}

SCSS

$custom: #0a3847;
$custom-light: #556e7a;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3847",
  "rgb": {
    "r": 10,
    "g": 56,
    "b": 71
  },
  "hsl": {
    "h": 194.754,
    "s": 75.309,
    "l": 15.882
  },
  "oklch": {
    "l": 0.31853,
    "c": 0.05402,
    "h": 224.8
  },
  "luminance": 0.03348
}

Semantic roles & 50–950 ramp

primary

#0A3847

secondary

#843F29

accent

#6436F2

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030709

muted

#787A7B

Preview Lab

Preview with #0A3847

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

Preview Lab → · Contrast checker → · Palette generator →