#28559C#28559C

#28559C is a mid, vivid blue. Relative luminance 0.093; OKLCH L 45.7% C 0.126 H 259.3°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#28559C
RGB	rgb(40, 85, 156)
HSL	hsl(217, 59%, 38%)
HSV	hsv(217, 74%, 61%)
CMYK	cmyk(74.4%, 45.5%, 0%, 38.8%)
CIE-LAB	lab(36.64, 10.08, -43.19)
CIE-LCH	lch(36.64, 44.35, 283.14°)
OKLab	oklab(45.69% -0.0235 -0.1237)
OKLCH	oklch(45.69% 0.126 259.3)
XYZ	xyz(10.1221, 9.3473, 32.7168)
Luminance	0.0935 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28559C #9C6F28

analogous

#288F9C #28559C #35289C

triadic

#28559C #9C2855 #559C28

tetradic

#28559C #9C288F #9C6F28 #289C35

square

#28559C #9C288F #9C6F28 #289C35

split-complementary

#28559C #9C3528 #8F9C28

monochromatic

#0F203B #1C3A6B #28559C #3670CB #6792D8

Accessibility & contrast

On white

7.32

#28559C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#28559C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28559C

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28559C	#FFFFFF	#000000	##FFFFFF
##28559C	1.00	7.32	2.87	7.32
#FFFFFF	7.32	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#315C9F

Deuteranopia (green-blind)

#1A519B

Tritanopia (blue-blind)

#006671

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #28559c;
/* rgb */ color: rgb(40, 85, 156);
/* oklch */ color: oklch(45.7% 0.126 259.3);

Tailwind

colors: {
  custom: {
    50: '#7284ba',
    500: '#28559c',
    950: '#000000',
  },
}

SCSS

$custom: #28559c;
$custom-light: #7284ba;
$custom-dark: #000000;

JSON

{
  "hex": "#28559c",
  "rgb": {
    "r": 40,
    "g": 85,
    "b": 156
  },
  "hsl": {
    "h": 216.724,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.45691,
    "c": 0.1259,
    "h": 259.3
  },
  "luminance": 0.09348
}

Semantic roles & 50–950 ramp

primary

#28559C

secondary

#BE9A62

accent

#A545E2

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #28559C

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

Preview Lab → · Contrast checker → · Palette generator →