#28474F#28474F

#28474F is a dark, muted cyan. Relative luminance 0.055; OKLCH L 37.7% C 0.039 H 216.1°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#28474F
RGB	rgb(40, 71, 79)
HSL	hsl(192, 33%, 23%)
HSV	hsv(192, 49%, 31%)
CMYK	cmyk(49.4%, 10.1%, 0%, 69%)
CIE-LAB	lab(28.17, -8.99, -8.38)
CIE-LCH	lch(28.17, 12.29, 222.96°)
OKLab	oklab(37.73% -0.0316 -0.0231)
OKLCH	oklch(37.73% 0.039 216.1)
XYZ	xyz(4.5391, 5.5218, 8.2222)
Luminance	0.0552 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28474F #4F3028

analogous

#284F43 #28474F #28334F

triadic

#28474F #4F2847 #474F28

tetradic

#28474F #43284F #4F3028 #334F28

square

#28474F #43284F #4F3028 #334F28

split-complementary

#28474F #4F2833 #4F4328

monochromatic

#0A1214 #132226 #28474F #3D6C78 #5190A0

Accessibility & contrast

On white

9.98

#28474F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#28474F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28474F

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28474F	#FFFFFF	#000000	##FFFFFF
##28474F	1.00	9.98	2.10	9.98
#FFFFFF	9.98	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41454F

Deuteranopia (green-blind)

#3B404F

Tritanopia (blue-blind)

#164A49

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #28474f;
/* rgb */ color: rgb(40, 71, 79);
/* oklch */ color: oklch(37.7% 0.039 216.1);

Tailwind

colors: {
  custom: {
    50: '#657a80',
    500: '#28474f',
    950: '#000000',
  },
}

SCSS

$custom: #28474f;
$custom-light: #657a80;
$custom-dark: #000000;

JSON

{
  "hex": "#28474f",
  "rgb": {
    "r": 40,
    "g": 71,
    "b": 79
  },
  "hsl": {
    "h": 192.308,
    "s": 32.773,
    "l": 23.333
  },
  "oklch": {
    "l": 0.37728,
    "c": 0.03916,
    "h": 216.1
  },
  "luminance": 0.05522
}

Semantic roles & 50–950 ramp

primary

#28474F

secondary

#825B51

accent

#755FC9

background

#F6F7F7

surface

#EBEDEE

border

#C6C8C9

text

#06090A

muted

#7A7B7C

Preview Lab

Preview with #28474F

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

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