#28559F#28559F

#28559F is a mid, vivid blue. Relative luminance 0.095; OKLCH L 45.9% C 0.130 H 259.8°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#28559F
RGB	rgb(40, 85, 159)
HSL	hsl(217, 60%, 39%)
HSV	hsv(217, 75%, 62%)
CMYK	cmyk(74.8%, 46.5%, 0%, 37.6%)
CIE-LAB	lab(36.84, 11.24, -44.68)
CIE-LCH	lch(36.84, 46.08, 284.13°)
OKLab	oklab(45.9% -0.0229 -0.1281)
OKLCH	oklch(45.9% 0.13 259.8)
XYZ	xyz(10.3793, 9.4502, 34.0712)
Luminance	0.0945 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28559F #9F7228

analogous

#28919F #28559F #37289F

triadic

#28559F #9F2855 #559F28

tetradic

#28559F #9F2891 #9F7228 #289F37

square

#28559F #9F2891 #9F7228 #289F37

split-complementary

#28559F #9F3728 #919F28

monochromatic

#0F213D #1C3B6E #28559F #3770CD #6893D9

Accessibility & contrast

On white

7.27

#28559F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#28559F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28559F

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28559F	#FFFFFF	#000000	##FFFFFF
##28559F	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E5DA2

Deuteranopia (green-blind)

#14529E

Tritanopia (blue-blind)

#006672

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #28559f;
/* rgb */ color: rgb(40, 85, 159);
/* oklch */ color: oklch(45.9% 0.130 259.8);

Tailwind

colors: {
  custom: {
    50: '#7384bc',
    500: '#28559f',
    950: '#000000',
  },
}

SCSS

$custom: #28559f;
$custom-light: #7384bc;
$custom-dark: #000000;

JSON

{
  "hex": "#28559f",
  "rgb": {
    "r": 40,
    "g": 85,
    "b": 159
  },
  "hsl": {
    "h": 217.311,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.45901,
    "c": 0.13012,
    "h": 259.8
  },
  "luminance": 0.09451
}

Semantic roles & 50–950 ramp

primary

#28559F

secondary

#BF9D64

accent

#A745E3

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #28559F

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

Preview Lab → · Contrast checker → · Palette generator →