#28558D#28558D

#28558D is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.7% C 0.105 H 255.2°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#28558D
RGB	rgb(40, 85, 141)
HSL	hsl(213, 56%, 35%)
HSV	hsv(213, 72%, 55%)
CMYK	cmyk(71.6%, 39.7%, 0%, 44.7%)
CIE-LAB	lab(35.73, 4.31, -35.57)
CIE-LCH	lch(35.73, 35.83, 276.91°)
OKLab	oklab(44.69% -0.0268 -0.1013)
OKLCH	oklch(44.69% 0.105 255.2)
XYZ	xyz(8.9295, 8.8703, 26.4357)
Luminance	0.0887 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28558D #8D6028

analogous

#28878D #28558D #2D288D

triadic

#28558D #8D2855 #558D28

tetradic

#28558D #8D2887 #8D6028 #288D2D

square

#28558D #8D2887 #8D6028 #288D2D

split-complementary

#28558D #8D2D28 #878D28

monochromatic

#0D1C2E #1A385D #28558D #3672BD #5E91D1

Accessibility & contrast

On white

7.57

#28558D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#28558D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28558D

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28558D	#FFFFFF	#000000	##FFFFFF
##28558D	1.00	7.57	2.77	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B598F

Deuteranopia (green-blind)

#2C508C

Tritanopia (blue-blind)

#00626A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #28558d;
/* rgb */ color: rgb(40, 85, 141);
/* oklch */ color: oklch(44.7% 0.105 255.2);

Tailwind

colors: {
  custom: {
    50: '#6f84ae',
    500: '#28558d',
    950: '#000000',
  },
}

SCSS

$custom: #28558d;
$custom-light: #6f84ae;
$custom-dark: #000000;

JSON

{
  "hex": "#28558d",
  "rgb": {
    "r": 40,
    "g": 85,
    "b": 141
  },
  "hsl": {
    "h": 213.267,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.44689,
    "c": 0.10481,
    "h": 255.2
  },
  "luminance": 0.08871
}

Semantic roles & 50–950 ramp

primary

#28558D

secondary

#B78D5A

accent

#9C49DF

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #28558D

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

Preview Lab → · Contrast checker → · Palette generator →