#42576D#42576D

#42576D is a dark, muted cyan. Relative luminance 0.091; OKLCH L 44.9% C 0.045 H 250.0°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#42576D
RGB	rgb(66, 87, 109)
HSL	hsl(211, 25%, 34%)
HSV	hsv(211, 39%, 43%)
CMYK	cmyk(39.4%, 20.2%, 0%, 57.3%)
CIE-LAB	lab(36.13, -1.88, -15.15)
CIE-LCH	lch(36.13, 15.27, 262.94°)
OKLab	oklab(44.85% -0.0152 -0.0419)
OKLCH	oklch(44.85% 0.045 250)
XYZ	xyz(8.4144, 9.0783, 15.7740)
Luminance	0.0908 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42576D #6D5842

analogous

#426D6D #42576D #43426D

triadic

#42576D #6D4257 #576D42

tetradic

#42576D #6D426D #6D5842 #426D43

square

#42576D #6D426D #6D5842 #426D43

split-complementary

#42576D #6D4342 #6D6D42

monochromatic

#141A21 #2B3947 #42576D #597593 #7B94AF

Accessibility & contrast

On white

7.46

#42576D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#42576D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42576D

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42576D	#FFFFFF	#000000	##FFFFFF
##42576D	1.00	7.46	2.82	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F576E

Deuteranopia (green-blind)

#49536D

Tritanopia (blue-blind)

#345C5E

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #42576d;
/* rgb */ color: rgb(66, 87, 109);
/* oklch */ color: oklch(44.9% 0.045 250.0);

Tailwind

colors: {
  custom: {
    50: '#788697',
    500: '#42576d',
    950: '#000000',
  },
}

SCSS

$custom: #42576d;
$custom-light: #788697;
$custom-dark: #000000;

JSON

{
  "hex": "#42576d",
  "rgb": {
    "r": 66,
    "g": 87,
    "b": 109
  },
  "hsl": {
    "h": 210.698,
    "s": 24.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.44853,
    "c": 0.04455,
    "h": 250
  },
  "luminance": 0.09079
}

Semantic roles & 50–950 ramp

primary

#42576D

secondary

#9A8670

accent

#9567C1

background

#F7F8F9

surface

#EDEFF2

border

#C8CACC

text

#090B0D

muted

#7B7C7E

Preview Lab

Preview with #42576D

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

Preview Lab → · Contrast checker → · Palette generator →