#0A3541#0A3541

#0A3541 is a dark, muted cyan. Relative luminance 0.030; OKLCH L 30.7% C 0.050 H 220.9°. Best body text is #FFFFFF at 13.14:1 contrast (WCAG AA passes).

Color values

HEX	#0A3541
RGB	rgb(10, 53, 65)
HSL	hsl(193, 73%, 15%)
HSV	hsv(193, 85%, 25%)
CMYK	cmyk(84.6%, 18.5%, 0%, 74.5%)
CIE-LAB	lab(20.01, -9.52, -11.63)
CIE-LCH	lch(20.01, 15.03, 230.70°)
OKLab	oklab(30.66% -0.0376 -0.0325)
OKLCH	oklch(30.66% 0.05 220.9)
XYZ	xyz(2.3520, 2.9921, 5.4536)
Luminance	0.0299 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3541 #41160A

analogous

#0A4132 #0A3541 #0A1A41

triadic

#0A3541 #410A35 #35410A

tetradic

#0A3541 #320A41 #41160A #1A410A

square

#0A3541 #320A41 #41160A #1A410A

split-complementary

#0A3541 #410A1A #41320A

monochromatic

#04161B #04161B #0A3541 #126076 #1A8BAB

Accessibility & contrast

On white

13.14

#0A3541 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#0A3541 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3541

13.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3541	#FFFFFF	#000000	##FFFFFF
##0A3541	1.00	13.14	1.60	13.14
#FFFFFF	13.14	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3342

Deuteranopia (green-blind)

#262E41

Tritanopia (blue-blind)

#003939

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #0a3541;
/* rgb */ color: rgb(10, 53, 65);
/* oklch */ color: oklch(30.7% 0.050 220.9);

Tailwind

colors: {
  custom: {
    50: '#536c75',
    500: '#0a3541',
    950: '#000000',
  },
}

SCSS

$custom: #0a3541;
$custom-light: #536c75;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3541",
  "rgb": {
    "r": 10,
    "g": 53,
    "b": 65
  },
  "hsl": {
    "h": 193.091,
    "s": 73.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.30658,
    "c": 0.04972,
    "h": 220.9
  },
  "luminance": 0.02992
}

Semantic roles & 50–950 ramp

primary

#0A3541

secondary

#7E3B29

accent

#6038F0

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #0A3541

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

Preview Lab → · Contrast checker → · Palette generator →