#28537C#28537C

#28537C is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 43.2% C 0.083 H 249.3°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#28537C
RGB	rgb(40, 83, 124)
HSL	hsl(209, 51%, 32%)
HSV	hsv(209, 68%, 49%)
CMYK	cmyk(67.7%, 33.1%, 0%, 51.4%)
CIE-LAB	lab(34.17, -0.81, -27.61)
CIE-LCH	lch(34.17, 27.62, 268.32°)
OKLab	oklab(43.16% -0.0294 -0.0781)
OKLCH	oklch(43.16% 0.083 249.3)
XYZ	xyz(7.6051, 8.0921, 20.2260)
Luminance	0.0809 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28537C #7C5128

analogous

#287C7B #28537C #28297C

triadic

#28537C #7C2853 #537C28

tetradic

#28537C #7B287C #7C5128 #297C28

square

#28537C #7B287C #7C5128 #297C28

split-complementary

#28537C #7C2829 #7C7B28

monochromatic

#0A151F #19344E #28537C #3772AA #5691C8

Accessibility & contrast

On white

8.02

#28537C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#28537C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28537C

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28537C	#FFFFFF	#000000	##FFFFFF
##28537C	1.00	8.02	2.62	8.02
#FFFFFF	8.02	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41557E

Deuteranopia (green-blind)

#364D7B

Tritanopia (blue-blind)

#005D62

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #28537c;
/* rgb */ color: rgb(40, 83, 124);
/* oklch */ color: oklch(43.2% 0.083 249.3);

Tailwind

colors: {
  custom: {
    50: '#6b83a2',
    500: '#28537c',
    950: '#000000',
  },
}

SCSS

$custom: #28537c;
$custom-light: #6b83a2;
$custom-dark: #000000;

JSON

{
  "hex": "#28537c",
  "rgb": {
    "r": 40,
    "g": 83,
    "b": 124
  },
  "hsl": {
    "h": 209.286,
    "s": 51.22,
    "l": 32.157
  },
  "oklch": {
    "l": 0.43163,
    "c": 0.08344,
    "h": 249.3
  },
  "luminance": 0.08093
}

Semantic roles & 50–950 ramp

primary

#28537C

secondary

#AD7F52

accent

#924DDB

background

#F6F7FA

surface

#ECEEF3

border

#C7C9CD

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #28537C

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

Preview Lab → · Contrast checker → · Palette generator →