#28599F#28599F

#28599F is a mid, vivid blue. Relative luminance 0.101; OKLCH L 46.8% C 0.125 H 257.8°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#28599F
RGB	rgb(40, 89, 159)
HSL	hsl(215, 60%, 39%)
HSV	hsv(215, 75%, 62%)
CMYK	cmyk(74.8%, 44%, 0%, 37.6%)
CIE-LAB	lab(38.02, 8.62, -42.79)
CIE-LCH	lch(38.02, 43.65, 281.38°)
OKLab	oklab(46.81% -0.0266 -0.1224)
OKLCH	oklch(46.81% 0.125 257.8)
XYZ	xyz(10.7032, 10.0979, 34.1792)
Luminance	0.1010 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28599F #9F6E28

analogous

#28959F #28599F #33289F

triadic

#28599F #9F2859 #599F28

tetradic

#28599F #9F2895 #9F6E28 #289F33

square

#28599F #9F2895 #9F6E28 #289F33

split-complementary

#28599F #9F3328 #959F28

monochromatic

#0F223D #1C3E6E #28599F #3775CD #6897D9

Accessibility & contrast

On white

6.95

#28599F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#28599F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28599F

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28599F	#FFFFFF	#000000	##FFFFFF
##28599F	1.00	6.95	3.02	6.95
#FFFFFF	6.95	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365FA2

Deuteranopia (green-blind)

#20549E

Tritanopia (blue-blind)

#006974

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #28599f;
/* rgb */ color: rgb(40, 89, 159);
/* oklch */ color: oklch(46.8% 0.125 257.8);

Tailwind

colors: {
  custom: {
    50: '#7287bc',
    500: '#28599f',
    950: '#000000',
  },
}

SCSS

$custom: #28599f;
$custom-light: #7287bc;
$custom-dark: #000000;

JSON

{
  "hex": "#28599f",
  "rgb": {
    "r": 40,
    "g": 89,
    "b": 159
  },
  "hsl": {
    "h": 215.294,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.46813,
    "c": 0.12529,
    "h": 257.8
  },
  "luminance": 0.10099
}

Semantic roles & 50–950 ramp

primary

#28599F

secondary

#BF9964

accent

#A245E3

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #28599F

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

Preview Lab → · Contrast checker → · Palette generator →