#28507D#28507D

#28507D is a dark, moderate cyan. Relative luminance 0.077; OKLCH L 42.5% C 0.088 H 252.9°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#28507D
RGB	rgb(40, 80, 125)
HSL	hsl(212, 52%, 32%)
HSV	hsv(212, 68%, 49%)
CMYK	cmyk(68%, 36%, 0%, 51%)
CIE-LAB	lab(33.28, 1.50, -29.63)
CIE-LCH	lch(33.28, 29.67, 272.90°)
OKLab	oklab(42.48% -0.0258 -0.084)
OKLCH	oklch(42.48% 0.088 252.9)
XYZ	xyz(7.4441, 7.6684, 20.4859)
Luminance	0.0767 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28507D #7D5528

analogous

#287A7D #28507D #2B287D

triadic

#28507D #7D2850 #507D28

tetradic

#28507D #7D287A #7D5528 #287D2B

square

#28507D #7D287A #7D5528 #287D2B

split-complementary

#28507D #7D2B28 #7A7D28

monochromatic

#0A1520 #19324F #28507D #376EAB #568CC9

Accessibility & contrast

On white

8.29

#28507D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#28507D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28507D

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28507D	#FFFFFF	#000000	##FFFFFF
##28507D	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C537F

Deuteranopia (green-blind)

#304B7C

Tritanopia (blue-blind)

#005A60

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #28507d;
/* rgb */ color: rgb(40, 80, 125);
/* oklch */ color: oklch(42.5% 0.088 252.9);

Tailwind

colors: {
  custom: {
    50: '#6c80a3',
    500: '#28507d',
    950: '#000000',
  },
}

SCSS

$custom: #28507d;
$custom-light: #6c80a3;
$custom-dark: #000000;

JSON

{
  "hex": "#28507d",
  "rgb": {
    "r": 40,
    "g": 80,
    "b": 125
  },
  "hsl": {
    "h": 211.765,
    "s": 51.515,
    "l": 32.353
  },
  "oklch": {
    "l": 0.42482,
    "c": 0.08788,
    "h": 252.9
  },
  "luminance": 0.07669
}

Semantic roles & 50–950 ramp

primary

#28507D

secondary

#AE8353

accent

#984DDB

background

#F6F7FA

surface

#ECEEF3

border

#C7C9CD

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #28507D

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

Preview Lab → · Contrast checker → · Palette generator →