#28538F#28538F

#28538F is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 44.3% C 0.110 H 257.2°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#28538F
RGB	rgb(40, 83, 143)
HSL	hsl(215, 56%, 36%)
HSV	hsv(215, 72%, 56%)
CMYK	cmyk(72%, 42%, 0%, 43.9%)
CIE-LAB	lab(35.24, 6.39, -37.57)
CIE-LCH	lch(35.24, 38.11, 279.65°)
OKLab	oklab(44.35% -0.0243 -0.1072)
OKLCH	oklch(44.35% 0.11 257.2)
XYZ	xyz(8.9245, 8.6199, 27.1747)
Luminance	0.0862 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28538F #8F6428

analogous

#28868F #28538F #30288F

triadic

#28538F #8F2853 #538F28

tetradic

#28538F #8F2886 #8F6428 #288F30

square

#28538F #8F2886 #8F6428 #288F30

split-complementary

#28538F #8F3028 #868F28

monochromatic

#0D1B2F #1B375F #28538F #356FBF #5F8FD2

Accessibility & contrast

On white

7.71

#28538F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#28538F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28538F

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28538F	#FFFFFF	#000000	##FFFFFF
##28538F	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375891

Deuteranopia (green-blind)

#264E8E

Tritanopia (blue-blind)

#00616A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #28538f;
/* rgb */ color: rgb(40, 83, 143);
/* oklch */ color: oklch(44.3% 0.110 257.2);

Tailwind

colors: {
  custom: {
    50: '#6f82b0',
    500: '#28538f',
    950: '#000000',
  },
}

SCSS

$custom: #28538f;
$custom-light: #6f82b0;
$custom-dark: #000000;

JSON

{
  "hex": "#28538f",
  "rgb": {
    "r": 40,
    "g": 83,
    "b": 143
  },
  "hsl": {
    "h": 214.951,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.44346,
    "c": 0.10993,
    "h": 257.2
  },
  "luminance": 0.08621
}

Semantic roles & 50–950 ramp

primary

#28538F

secondary

#B8915B

accent

#A048E0

background

#F7F7FA

surface

#EDEEF5

border

#C8C9CF

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #28538F

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

Preview Lab → · Contrast checker → · Palette generator →