#28537A#28537A

#28537A is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 43.0% C 0.081 H 248.1°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#28537A
RGB	rgb(40, 83, 122)
HSL	hsl(209, 51%, 32%)
HSV	hsv(209, 67%, 48%)
CMYK	cmyk(67.2%, 32%, 0%, 52.2%)
CIE-LAB	lab(34.07, -1.55, -26.53)
CIE-LCH	lch(34.07, 26.58, 266.65°)
OKLab	oklab(43.05% -0.0301 -0.0749)
OKLCH	oklch(43.05% 0.081 248.1)
XYZ	xyz(7.4799, 8.0420, 19.5667)
Luminance	0.0804 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28537A #7A4F28

analogous

#287A78 #28537A #282A7A

triadic

#28537A #7A2853 #537A28

tetradic

#28537A #78287A #7A4F28 #2A7A28

square

#28537A #78287A #7A4F28 #2A7A28

split-complementary

#28537A #7A282A #7A7828

monochromatic

#0A141E #19344C #28537A #3772A8 #5591C7

Accessibility & contrast

On white

8.05

#28537A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#28537A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28537A

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28537A	#FFFFFF	#000000	##FFFFFF
##28537A	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42557C

Deuteranopia (green-blind)

#374D79

Tritanopia (blue-blind)

#005C61

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #28537a;
/* rgb */ color: rgb(40, 83, 122);
/* oklch */ color: oklch(43.0% 0.081 248.1);

Tailwind

colors: {
  custom: {
    50: '#6b83a0',
    500: '#28537a',
    950: '#000000',
  },
}

SCSS

$custom: #28537a;
$custom-light: #6b83a0;
$custom-dark: #000000;

JSON

{
  "hex": "#28537a",
  "rgb": {
    "r": 40,
    "g": 83,
    "b": 122
  },
  "hsl": {
    "h": 208.537,
    "s": 50.617,
    "l": 31.765
  },
  "oklch": {
    "l": 0.43048,
    "c": 0.08075,
    "h": 248.1
  },
  "luminance": 0.08043
}

Semantic roles & 50–950 ramp

primary

#28537A

secondary

#AC7D52

accent

#904EDA

background

#F6F7F9

surface

#ECEEF2

border

#C7C9CC

text

#070A0F

muted

#7A7C7E

Preview Lab

Preview with #28537A

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

Preview Lab → · Contrast checker → · Palette generator →