#28589F#28589F

#28589F is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.6% C 0.126 H 258.3°. Best body text is #FFFFFF at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#28589F
RGB	rgb(40, 88, 159)
HSL	hsl(216, 60%, 39%)
HSV	hsv(216, 75%, 62%)
CMYK	cmyk(74.8%, 44.7%, 0%, 37.6%)
CIE-LAB	lab(37.72, 9.27, -43.27)
CIE-LCH	lch(37.72, 44.25, 282.09°)
OKLab	oklab(46.58% -0.0256 -0.1239)
OKLCH	oklch(46.58% 0.126 258.3)
XYZ	xyz(10.6205, 9.9326, 34.1516)
Luminance	0.0993 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28589F #9F6F28

analogous

#28949F #28589F #33289F

triadic

#28589F #9F2858 #589F28

tetradic

#28589F #9F2894 #9F6F28 #289F33

square

#28589F #9F2894 #9F6F28 #289F33

split-complementary

#28589F #9F3328 #949F28

monochromatic

#0F223D #1C3D6E #28589F #3774CD #6896D9

Accessibility & contrast

On white

7.03

#28589F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#28589F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28589F

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28589F	#FFFFFF	#000000	##FFFFFF
##28589F	1.00	7.03	2.99	7.03
#FFFFFF	7.03	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#345FA2

Deuteranopia (green-blind)

#1E549E

Tritanopia (blue-blind)

#006973

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #28589f;
/* rgb */ color: rgb(40, 88, 159);
/* oklch */ color: oklch(46.6% 0.126 258.3);

Tailwind

colors: {
  custom: {
    50: '#7286bc',
    500: '#28589f',
    950: '#000000',
  },
}

SCSS

$custom: #28589f;
$custom-light: #7286bc;
$custom-dark: #000000;

JSON

{
  "hex": "#28589f",
  "rgb": {
    "r": 40,
    "g": 88,
    "b": 159
  },
  "hsl": {
    "h": 215.798,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.46584,
    "c": 0.12649,
    "h": 258.3
  },
  "luminance": 0.09934
}

Semantic roles & 50–950 ramp

primary

#28589F

secondary

#BF9A64

accent

#A345E3

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #28589F

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

Preview Lab → · Contrast checker → · Palette generator →