#063640#063640

#063640 is a dark, muted cyan. Relative luminance 0.030; OKLCH L 30.8% C 0.051 H 215.7°. Best body text is #FFFFFF at 13.05:1 contrast (WCAG AA passes).

Color values

HEX	#063640
RGB	rgb(6, 54, 64)
HSL	hsl(190, 83%, 14%)
HSV	hsv(190, 91%, 25%)
CMYK	cmyk(90.6%, 15.6%, 0%, 74.9%)
CIE-LAB	lab(20.23, -11.14, -10.63)
CIE-LCH	lch(20.23, 15.40, 223.65°)
OKLab	oklab(30.79% -0.0413 -0.0297)
OKLCH	oklch(30.79% 0.051 215.7)
XYZ	xyz(2.3193, 3.0469, 5.3154)
Luminance	0.0305 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#063640 #401006

analogous

#06402D #063640 #061940

triadic

#063640 #400636 #364006

tetradic

#063640 #2D0640 #401006 #194006

square

#063640 #2D0640 #401006 #194006

split-complementary

#063640 #400619 #402D06

monochromatic

#03181C #03181C #063640 #0B6578 #1094B0

Accessibility & contrast

On white

13.05

#063640 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#063640 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #063640

13.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##063640	#FFFFFF	#000000	##FFFFFF
##063640	1.00	13.05	1.61	13.05
#FFFFFF	13.05	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3441

Deuteranopia (green-blind)

#272E40

Tritanopia (blue-blind)

#003A39

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #063640;
/* rgb */ color: rgb(6, 54, 64);
/* oklch */ color: oklch(30.8% 0.051 215.7);

Tailwind

colors: {
  custom: {
    50: '#526d74',
    500: '#063640',
    950: '#000000',
  },
}

SCSS

$custom: #063640;
$custom-light: #526d74;
$custom-dark: #000000;

JSON

{
  "hex": "#063640",
  "rgb": {
    "r": 6,
    "g": 54,
    "b": 64
  },
  "hsl": {
    "h": 190.345,
    "s": 82.857,
    "l": 13.725
  },
  "oklch": {
    "l": 0.30789,
    "c": 0.05089,
    "h": 215.7
  },
  "luminance": 0.03047
}

Semantic roles & 50–950 ramp

primary

#063640

secondary

#803222

accent

#522FF9

background

#F4F6F7

surface

#E7EBED

border

#C3C6C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #063640

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

Preview Lab → · Contrast checker → · Palette generator →