#0A3C4A#0A3C4A

#0A3C4A is a dark, muted cyan. Relative luminance 0.038; OKLCH L 33.2% C 0.056 H 221.5°. Best body text is #FFFFFF at 11.94:1 contrast (WCAG AA passes).

Color values

HEX	#0A3C4A
RGB	rgb(10, 60, 74)
HSL	hsl(193, 76%, 16%)
HSV	hsv(193, 86%, 29%)
CMYK	cmyk(86.5%, 18.9%, 0%, 71%)
CIE-LAB	lab(22.97, -10.35, -13.14)
CIE-LCH	lch(22.97, 16.73, 231.75°)
OKLab	oklab(33.17% -0.0416 -0.0368)
OKLCH	oklch(33.17% 0.056 221.5)
XYZ	xyz(2.9765, 3.7903, 7.0520)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3C4A #4A180A

analogous

#0A4A38 #0A3C4A #0A1C4A

triadic

#0A3C4A #4A0A3C #3C4A0A

tetradic

#0A3C4A #380A4A #4A180A #1C4A0A

square

#0A3C4A #380A4A #4A180A #1C4A0A

split-complementary

#0A3C4A #4A0A1C #4A380A

monochromatic

#04161B #04161B #0A3C4A #116880 #1993B6

Accessibility & contrast

On white

11.94

#0A3C4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#0A3C4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3C4A

11.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3C4A	#FFFFFF	#000000	##FFFFFF
##0A3C4A	1.00	11.94	1.76	11.94
#FFFFFF	11.94	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343A4B

Deuteranopia (green-blind)

#2B344A

Tritanopia (blue-blind)

#004041

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #0a3c4a;
/* rgb */ color: rgb(10, 60, 74);
/* oklch */ color: oklch(33.2% 0.056 221.5);

Tailwind

colors: {
  custom: {
    50: '#56717c',
    500: '#0a3c4a',
    950: '#000000',
  },
}

SCSS

$custom: #0a3c4a;
$custom-light: #56717c;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3c4a",
  "rgb": {
    "r": 10,
    "g": 60,
    "b": 74
  },
  "hsl": {
    "h": 193.125,
    "s": 76.19,
    "l": 16.471
  },
  "oklch": {
    "l": 0.33168,
    "c": 0.05551,
    "h": 221.5
  },
  "luminance": 0.03791
}

Semantic roles & 50–950 ramp

primary

#0A3C4A

secondary

#873E29

accent

#5F35F3

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#030709

muted

#787A7B

Preview Lab

Preview with #0A3C4A

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

Preview Lab → · Contrast checker → · Palette generator →