#28599E#28599E

#28599E is a mid, vivid blue. Relative luminance 0.101; OKLCH L 46.7% C 0.124 H 257.5°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#28599E
RGB	rgb(40, 89, 158)
HSL	hsl(215, 60%, 39%)
HSV	hsv(215, 75%, 62%)
CMYK	cmyk(74.7%, 43.7%, 0%, 38%)
CIE-LAB	lab(37.96, 8.23, -42.29)
CIE-LCH	lch(37.96, 43.08, 281.01°)
OKLab	oklab(46.75% -0.0268 -0.121)
OKLCH	oklch(46.75% 0.124 257.5)
XYZ	xyz(10.6167, 10.0633, 33.7240)
Luminance	0.1006 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28599E #9E6D28

analogous

#28949E #28599E #32289E

triadic

#28599E #9E2859 #599E28

tetradic

#28599E #9E2894 #9E6D28 #289E32

square

#28599E #9E2894 #9E6D28 #289E32

split-complementary

#28599E #9E3228 #949E28

monochromatic

#0F223C #1C3D6D #28599E #3775CC #6897D9

Accessibility & contrast

On white

6.97

#28599E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#28599E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28599E

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28599E	#FFFFFF	#000000	##FFFFFF
##28599E	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375FA1

Deuteranopia (green-blind)

#22549D

Tritanopia (blue-blind)

#006974

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #28599e;
/* rgb */ color: rgb(40, 89, 158);
/* oklch */ color: oklch(46.7% 0.124 257.5);

Tailwind

colors: {
  custom: {
    50: '#7287bb',
    500: '#28599e',
    950: '#000000',
  },
}

SCSS

$custom: #28599e;
$custom-light: #7287bb;
$custom-dark: #000000;

JSON

{
  "hex": "#28599e",
  "rgb": {
    "r": 40,
    "g": 89,
    "b": 158
  },
  "hsl": {
    "h": 215.085,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.46745,
    "c": 0.12391,
    "h": 257.5
  },
  "luminance": 0.10064
}

Semantic roles & 50–950 ramp

primary

#28599E

secondary

#BF9963

accent

#A145E3

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #28599E

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

Preview Lab → · Contrast checker → · Palette generator →