#28547B#28547B

#28547B is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.4% C 0.081 H 247.6°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#28547B
RGB	rgb(40, 84, 123)
HSL	hsl(208, 51%, 32%)
HSV	hsv(208, 67%, 48%)
CMYK	cmyk(67.5%, 31.7%, 0%, 51.8%)
CIE-LAB	lab(34.44, -1.82, -26.57)
CIE-LCH	lch(34.44, 26.64, 266.08°)
OKLab	oklab(43.36% -0.0309 -0.0751)
OKLCH	oklch(43.36% 0.081 247.6)
XYZ	xyz(7.6192, 8.2211, 19.9203)
Luminance	0.0822 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28547B #7B4F28

analogous

#287B79 #28547B #282B7B

triadic

#28547B #7B2854 #547B28

tetradic

#28547B #79287B #7B4F28 #2B7B28

square

#28547B #79287B #7B4F28 #2B7B28

split-complementary

#28547B #7B282B #7B7928

monochromatic

#0A151F #19344D #28547B #3774A9 #5692C8

Accessibility & contrast

On white

7.94

#28547B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#28547B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28547B

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28547B	#FFFFFF	#000000	##FFFFFF
##28547B	1.00	7.94	2.64	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#43557D

Deuteranopia (green-blind)

#384D7A

Tritanopia (blue-blind)

#005D62

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #28547b;
/* rgb */ color: rgb(40, 84, 123);
/* oklch */ color: oklch(43.4% 0.081 247.6);

Tailwind

colors: {
  custom: {
    50: '#6b83a1',
    500: '#28547b',
    950: '#000000',
  },
}

SCSS

$custom: #28547b;
$custom-light: #6b83a1;
$custom-dark: #000000;

JSON

{
  "hex": "#28547b",
  "rgb": {
    "r": 40,
    "g": 84,
    "b": 123
  },
  "hsl": {
    "h": 208.193,
    "s": 50.92,
    "l": 31.961
  },
  "oklch": {
    "l": 0.43355,
    "c": 0.08116,
    "h": 247.6
  },
  "luminance": 0.08222
}

Semantic roles & 50–950 ramp

primary

#28547B

secondary

#AD7D52

accent

#904DDA

background

#F6F8F9

surface

#ECEFF2

border

#C7CACC

text

#070A0F

muted

#7A7C7E

Preview Lab

Preview with #28547B

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

Preview Lab → · Contrast checker → · Palette generator →