#425657#425657

#425657 is a dark, muted teal. Relative luminance 0.085; OKLCH L 43.7% C 0.025 H 200.1°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#425657
RGB	rgb(66, 86, 87)
HSL	hsl(183, 14%, 30%)
HSV	hsv(183, 24%, 34%)
CMYK	cmyk(24.1%, 1.1%, 0%, 65.9%)
CIE-LAB	lab(35.01, -7.38, -3.10)
CIE-LCH	lch(35.01, 8.00, 202.81°)
OKLab	oklab(43.69% -0.0231 -0.0085)
OKLCH	oklch(43.69% 0.025 200.1)
XYZ	xyz(7.2943, 8.5017, 10.2716)
Luminance	0.0850 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425657 #574342

analogous

#42574D #425657 #424C57

triadic

#425657 #574256 #565742

tetradic

#425657 #4D4257 #574342 #4C5742

square

#425657 #4D4257 #574342 #4C5742

split-complementary

#425657 #57424C #574D42

monochromatic

#0D1111 #283434 #425657 #5C787A #7A989A

Accessibility & contrast

On white

7.78

#425657 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#425657 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #425657

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425657	#FFFFFF	#000000	##FFFFFF
##425657	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#535457

Deuteranopia (green-blind)

#4F5157

Tritanopia (blue-blind)

#3B5756

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #425657;
/* rgb */ color: rgb(66, 86, 87);
/* oklch */ color: oklch(43.7% 0.025 200.1);

Tailwind

colors: {
  custom: {
    50: '#778586',
    500: '#425657',
    950: '#000000',
  },
}

SCSS

$custom: #425657;
$custom-light: #778586;
$custom-dark: #000000;

JSON

{
  "hex": "#425657",
  "rgb": {
    "r": 66,
    "g": 86,
    "b": 87
  },
  "hsl": {
    "h": 182.857,
    "s": 13.725,
    "l": 30
  },
  "oklch": {
    "l": 0.43692,
    "c": 0.02462,
    "h": 200.1
  },
  "luminance": 0.08502
}

Semantic roles & 50–950 ramp

primary

#425657

secondary

#86706F

accent

#7571B7

background

#F7F8F8

surface

#EDEFEF

border

#C8CACA

text

#080B0B

muted

#7B7C7C

Preview Lab

Preview with #425657

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

Preview Lab → · Contrast checker → · Palette generator →