#0A3744#0A3744

#0A3744 is a dark, muted cyan. Relative luminance 0.032; OKLCH L 31.4% C 0.052 H 221.8°. Best body text is #FFFFFF at 12.78:1 contrast (WCAG AA passes).

Color values

HEX	#0A3744
RGB	rgb(10, 55, 68)
HSL	hsl(193, 74%, 15%)
HSV	hsv(193, 85%, 27%)
CMYK	cmyk(85.3%, 19.1%, 0%, 73.3%)
CIE-LAB	lab(20.88, -9.60, -12.33)
CIE-LCH	lch(20.88, 15.62, 232.10°)
OKLab	oklab(31.4% -0.0386 -0.0345)
OKLCH	oklch(31.4% 0.052 221.8)
XYZ	xyz(2.5343, 3.2140, 5.9545)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3744 #44170A

analogous

#0A4434 #0A3744 #0A1A44

triadic

#0A3744 #440A37 #37440A

tetradic

#0A3744 #340A44 #44170A #1A440A

square

#0A3744 #340A44 #44170A #1A440A

split-complementary

#0A3744 #440A1A #44340A

monochromatic

#04161B #04161B #0A3744 #126279 #1A8DAF

Accessibility & contrast

On white

12.78

#0A3744 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#0A3744 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3744

12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3744	#FFFFFF	#000000	##FFFFFF
##0A3744	1.00	12.78	1.64	12.78
#FFFFFF	12.78	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3545

Deuteranopia (green-blind)

#283044

Tritanopia (blue-blind)

#003B3B

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #0a3744;
/* rgb */ color: rgb(10, 55, 68);
/* oklch */ color: oklch(31.4% 0.052 221.8);

Tailwind

colors: {
  custom: {
    50: '#546d78',
    500: '#0a3744',
    950: '#000000',
  },
}

SCSS

$custom: #0a3744;
$custom-light: #546d78;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3744",
  "rgb": {
    "r": 10,
    "g": 55,
    "b": 68
  },
  "hsl": {
    "h": 193.448,
    "s": 74.359,
    "l": 15.294
  },
  "oklch": {
    "l": 0.31402,
    "c": 0.05174,
    "h": 221.8
  },
  "luminance": 0.03214
}

Semantic roles & 50–950 ramp

primary

#0A3744

secondary

#813D29

accent

#6137F1

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #0A3744

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

Preview Lab → · Contrast checker → · Palette generator →