#28474E#28474E

#28474E is a dark, muted cyan. Relative luminance 0.055; OKLCH L 37.7% C 0.039 H 213.7°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).

Color values

HEX	#28474E
RGB	rgb(40, 71, 78)
HSL	hsl(191, 32%, 23%)
HSV	hsv(191, 49%, 31%)
CMYK	cmyk(48.7%, 9%, 0%, 69.4%)
CIE-LAB	lab(28.13, -9.31, -7.79)
CIE-LCH	lch(28.13, 12.14, 219.90°)
OKLab	oklab(37.69% -0.0321 -0.0214)
OKLCH	oklch(37.69% 0.039 213.7)
XYZ	xyz(4.5029, 5.5073, 8.0320)
Luminance	0.0551 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28474E #4E2F28

analogous

#284E42 #28474E #28344E

triadic

#28474E #4E2847 #474E28

tetradic

#28474E #42284E #4E2F28 #344E28

square

#28474E #42284E #4E2F28 #344E28

split-complementary

#28474E #4E2834 #4E4228

monochromatic

#0A1214 #132226 #28474E #3D6C76 #51919F

Accessibility & contrast

On white

9.99

#28474E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#28474E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28474E

9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28474E	#FFFFFF	#000000	##FFFFFF
##28474E	1.00	9.99	2.10	9.99
#FFFFFF	9.99	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42454E

Deuteranopia (green-blind)

#3C404E

Tritanopia (blue-blind)

#164A49

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #28474e;
/* rgb */ color: rgb(40, 71, 78);
/* oklch */ color: oklch(37.7% 0.039 213.7);

Tailwind

colors: {
  custom: {
    50: '#657a7f',
    500: '#28474e',
    950: '#000000',
  },
}

SCSS

$custom: #28474e;
$custom-light: #657a7f;
$custom-dark: #000000;

JSON

{
  "hex": "#28474e",
  "rgb": {
    "r": 40,
    "g": 71,
    "b": 78
  },
  "hsl": {
    "h": 191.053,
    "s": 32.203,
    "l": 23.137
  },
  "oklch": {
    "l": 0.37685,
    "c": 0.0386,
    "h": 213.7
  },
  "luminance": 0.05508
}

Semantic roles & 50–950 ramp

primary

#28474E

secondary

#815A51

accent

#735FC8

background

#F6F7F7

surface

#EBEDEE

border

#C6C8C9

text

#06090A

muted

#7A7B7C

Preview Lab

Preview with #28474E

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

Preview Lab → · Contrast checker → · Palette generator →