#28517A#28517A

#28517A is a dark, moderate cyan. Relative luminance 0.077; OKLCH L 42.5% C 0.083 H 250.4°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#28517A
RGB	rgb(40, 81, 122)
HSL	hsl(210, 51%, 32%)
HSV	hsv(210, 67%, 48%)
CMYK	cmyk(67.2%, 33.6%, 0%, 52.2%)
CIE-LAB	lab(33.44, -0.27, -27.53)
CIE-LCH	lch(33.44, 27.53, 269.44°)
OKLab	oklab(42.55% -0.0278 -0.0779)
OKLCH	oklch(42.55% 0.083 250.4)
XYZ	xyz(7.3291, 7.7404, 19.5164)
Luminance	0.0774 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28517A #7A5128

analogous

#287A7A #28517A #28287A

triadic

#28517A #7A2851 #517A28

tetradic

#28517A #7A287A #7A5128 #287A28

square

#28517A #7A287A #7A5128 #287A28

split-complementary

#28517A #7A2828 #7A7A28

monochromatic

#0A141E #19324C #28517A #3770A8 #558EC7

Accessibility & contrast

On white

8.24

#28517A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#28517A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28517A

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28517A	#FFFFFF	#000000	##FFFFFF
##28517A	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F537C

Deuteranopia (green-blind)

#344B79

Tritanopia (blue-blind)

#005B60

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #28517a;
/* rgb */ color: rgb(40, 81, 122);
/* oklch */ color: oklch(42.5% 0.083 250.4);

Tailwind

colors: {
  custom: {
    50: '#6b81a0',
    500: '#28517a',
    950: '#000000',
  },
}

SCSS

$custom: #28517a;
$custom-light: #6b81a0;
$custom-dark: #000000;

JSON

{
  "hex": "#28517a",
  "rgb": {
    "r": 40,
    "g": 81,
    "b": 122
  },
  "hsl": {
    "h": 210,
    "s": 50.617,
    "l": 31.765
  },
  "oklch": {
    "l": 0.42549,
    "c": 0.08268,
    "h": 250.4
  },
  "luminance": 0.07741
}

Semantic roles & 50–950 ramp

primary

#28517A

secondary

#AC7F52

accent

#944EDA

background

#F6F7F9

surface

#ECEEF2

border

#C7C9CC

text

#070A0F

muted

#7A7C7E

Preview Lab

Preview with #28517A

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

Preview Lab → · Contrast checker → · Palette generator →