#0A3547#0A3547

#0A3547 is a dark, muted cyan. Relative luminance 0.031; OKLCH L 31.0% C 0.055 H 230.9°. Best body text is #FFFFFF at 13.02:1 contrast (WCAG AA passes).

Color values

HEX	#0A3547
RGB	rgb(10, 53, 71)
HSL	hsl(198, 75%, 16%)
HSV	hsv(198, 86%, 28%)
CMYK	cmyk(85.9%, 25.4%, 0%, 72.2%)
CIE-LAB	lab(20.30, -7.09, -15.24)
CIE-LCH	lch(20.30, 16.81, 245.05°)
OKLab	oklab(30.99% -0.0349 -0.0429)
OKLCH	oklch(30.99% 0.055 230.9)
XYZ	xyz(2.5351, 3.0654, 6.4181)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3547 #471C0A

analogous

#0A473A #0A3547 #0A1647

triadic

#0A3547 #470A35 #35470A

tetradic

#0A3547 #3A0A47 #471C0A #16470A

square

#0A3547 #3A0A47 #471C0A #16470A

split-complementary

#0A3547 #470A16 #473A0A

monochromatic

#04141B #04141B #0A3547 #125D7D #1985B2

Accessibility & contrast

On white

13.02

#0A3547 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#0A3547 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3547

13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3547	#FFFFFF	#000000	##FFFFFF
##0A3547	1.00	13.02	1.61	13.02
#FFFFFF	13.02	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3448

Deuteranopia (green-blind)

#242E47

Tritanopia (blue-blind)

#003A3B

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #0a3547;
/* rgb */ color: rgb(10, 53, 71);
/* oklch */ color: oklch(31.0% 0.055 230.9);

Tailwind

colors: {
  custom: {
    50: '#546c7a',
    500: '#0a3547',
    950: '#000000',
  },
}

SCSS

$custom: #0a3547;
$custom-light: #546c7a;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3547",
  "rgb": {
    "r": 10,
    "g": 53,
    "b": 71
  },
  "hsl": {
    "h": 197.705,
    "s": 75.309,
    "l": 15.882
  },
  "oklch": {
    "l": 0.30988,
    "c": 0.0553,
    "h": 230.9
  },
  "luminance": 0.03066
}

Semantic roles & 50–950 ramp

primary

#0A3547

secondary

#844429

accent

#6D36F2

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030609

muted

#787A7B

Preview Lab

Preview with #0A3547

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

Preview Lab → · Contrast checker → · Palette generator →