#28559A#28559A

#28559A is a mid, vivid blue. Relative luminance 0.093; OKLCH L 45.6% C 0.123 H 258.8°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#28559A
RGB	rgb(40, 85, 154)
HSL	hsl(216, 59%, 38%)
HSV	hsv(216, 74%, 60%)
CMYK	cmyk(74%, 44.8%, 0%, 39.6%)
CIE-LAB	lab(36.52, 9.31, -42.19)
CIE-LCH	lch(36.52, 43.21, 282.44°)
OKLab	oklab(45.55% -0.0239 -0.1207)
OKLCH	oklch(45.55% 0.123 258.8)
XYZ	xyz(9.9542, 9.2801, 31.8322)
Luminance	0.0928 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28559A #9A6D28

analogous

#288E9A #28559A #34289A

triadic

#28559A #9A2855 #559A28

tetradic

#28559A #9A288E #9A6D28 #289A34

square

#28559A #9A288E #9A6D28 #289A34

split-complementary

#28559A #9A3428 #8E9A28

monochromatic

#0F1F39 #1B3A69 #28559A #3570CA #6592D7

Accessibility & contrast

On white

7.35

#28559A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#28559A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28559A

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28559A	#FFFFFF	#000000	##FFFFFF
##28559A	1.00	7.35	2.86	7.35
#FFFFFF	7.35	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#335C9D

Deuteranopia (green-blind)

#1D5199

Tritanopia (blue-blind)

#006570

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #28559a;
/* rgb */ color: rgb(40, 85, 154);
/* oklch */ color: oklch(45.6% 0.123 258.8);

Tailwind

colors: {
  custom: {
    50: '#7184b8',
    500: '#28559a',
    950: '#000000',
  },
}

SCSS

$custom: #28559a;
$custom-light: #7184b8;
$custom-dark: #000000;

JSON

{
  "hex": "#28559a",
  "rgb": {
    "r": 40,
    "g": 85,
    "b": 154
  },
  "hsl": {
    "h": 216.316,
    "s": 58.763,
    "l": 38.039
  },
  "oklch": {
    "l": 0.45553,
    "c": 0.12309,
    "h": 258.8
  },
  "luminance": 0.09281
}

Semantic roles & 50–950 ramp

primary

#28559A

secondary

#BD9961

accent

#A446E2

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #28559A

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

Preview Lab → · Contrast checker → · Palette generator →