#28589D#28589D

#28589D is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.4% C 0.124 H 257.8°. Best body text is #FFFFFF at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#28589D
RGB	rgb(40, 88, 157)
HSL	hsl(215, 59%, 39%)
HSV	hsv(215, 75%, 62%)
CMYK	cmyk(74.5%, 43.9%, 0%, 38.4%)
CIE-LAB	lab(37.60, 8.50, -42.27)
CIE-LCH	lch(37.60, 43.11, 281.37°)
OKLab	oklab(46.45% -0.026 -0.1209)
OKLCH	oklch(46.45% 0.124 257.8)
XYZ	xyz(10.4484, 9.8637, 33.2450)
Luminance	0.0987 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28589D #9D6D28

analogous

#28929D #28589D #33289D

triadic

#28589D #9D2858 #589D28

tetradic

#28589D #9D2892 #9D6D28 #289D33

square

#28589D #9D2892 #9D6D28 #289D33

split-complementary

#28589D #9D3328 #929D28

monochromatic

#0F213B #1C3D6C #28589D #3674CC #6796D8

Accessibility & contrast

On white

7.06

#28589D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#28589D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28589D

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28589D	#FFFFFF	#000000	##FFFFFF
##28589D	1.00	7.06	2.97	7.06
#FFFFFF	7.06	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365EA0

Deuteranopia (green-blind)

#21539C

Tritanopia (blue-blind)

#006873

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #28589d;
/* rgb */ color: rgb(40, 88, 157);
/* oklch */ color: oklch(46.4% 0.124 257.8);

Tailwind

colors: {
  custom: {
    50: '#7286ba',
    500: '#28589d',
    950: '#000000',
  },
}

SCSS

$custom: #28589d;
$custom-light: #7286ba;
$custom-dark: #000000;

JSON

{
  "hex": "#28589d",
  "rgb": {
    "r": 40,
    "g": 88,
    "b": 157
  },
  "hsl": {
    "h": 215.385,
    "s": 59.391,
    "l": 38.627
  },
  "oklch": {
    "l": 0.46447,
    "c": 0.12369,
    "h": 257.8
  },
  "luminance": 0.09865
}

Semantic roles & 50–950 ramp

primary

#28589D

secondary

#BE9962

accent

#A245E3

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #28589D

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

Preview Lab → · Contrast checker → · Palette generator →