#28598B#28598B

#28598B is a mid, moderate cyan. Relative luminance 0.095; OKLCH L 45.5% C 0.098 H 251.2°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#28598B
RGB	rgb(40, 89, 139)
HSL	hsl(210, 55%, 35%)
HSV	hsv(210, 71%, 55%)
CMYK	cmyk(71.2%, 36%, 0%, 45.5%)
CIE-LAB	lab(36.85, 0.97, -32.58)
CIE-LCH	lch(36.85, 32.60, 271.71°)
OKLab	oklab(45.53% -0.0314 -0.0925)
OKLCH	oklch(45.53% 0.098 251.2)
XYZ	xyz(9.1059, 9.4590, 25.7670)
Luminance	0.0946 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28598B #8B5A28

analogous

#288A8B #28598B #29288B

triadic

#28598B #8B2859 #598B28

tetradic

#28598B #8B288A #8B5A28 #288B29

square

#28598B #8B288A #8B5A28 #288B29

split-complementary

#28598B #8B2928 #8A8B28

monochromatic

#0D1C2C #1A3B5B #28598B #3677BB #5D96D0

Accessibility & contrast

On white

7.26

#28598B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#28598B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28598B

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28598B	#FFFFFF	#000000	##FFFFFF
##28598B	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#435C8D

Deuteranopia (green-blind)

#34528A

Tritanopia (blue-blind)

#00656B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #28598b;
/* rgb */ color: rgb(40, 89, 139);
/* oklch */ color: oklch(45.5% 0.098 251.2);

Tailwind

colors: {
  custom: {
    50: '#6e87ad',
    500: '#28598b',
    950: '#000000',
  },
}

SCSS

$custom: #28598b;
$custom-light: #6e87ad;
$custom-dark: #000000;

JSON

{
  "hex": "#28598b",
  "rgb": {
    "r": 40,
    "g": 89,
    "b": 139
  },
  "hsl": {
    "h": 210.303,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.45528,
    "c": 0.09771,
    "h": 251.2
  },
  "luminance": 0.0946
}

Semantic roles & 50–950 ramp

primary

#28598B

secondary

#B68859

accent

#9549DF

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#080B10

muted

#7B7C7F

Preview Lab

Preview with #28598B

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

Preview Lab → · Contrast checker → · Palette generator →