#28559E#28559E

#28559E is a mid, vivid blue. Relative luminance 0.094; OKLCH L 45.8% C 0.129 H 259.7°. Best body text is #FFFFFF at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#28559E
RGB	rgb(40, 85, 158)
HSL	hsl(217, 60%, 39%)
HSV	hsv(217, 75%, 62%)
CMYK	cmyk(74.7%, 46.2%, 0%, 38%)
CIE-LAB	lab(36.77, 10.86, -44.19)
CIE-LCH	lch(36.77, 45.50, 283.81°)
OKLab	oklab(45.83% -0.0231 -0.1266)
OKLCH	oklch(45.83% 0.129 259.7)
XYZ	xyz(10.2929, 9.4156, 33.6161)
Luminance	0.0942 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28559E #9E7128

analogous

#28909E #28559E #36289E

triadic

#28559E #9E2855 #559E28

tetradic

#28559E #9E2890 #9E7128 #289E36

square

#28559E #9E2890 #9E7128 #289E36

split-complementary

#28559E #9E3628 #909E28

monochromatic

#0F203C #1C3B6D #28559E #3770CC #6893D9

Accessibility & contrast

On white

7.28

#28559E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#28559E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28559E

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28559E	#FFFFFF	#000000	##FFFFFF
##28559E	1.00	7.28	2.88	7.28
#FFFFFF	7.28	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F5CA1

Deuteranopia (green-blind)

#16519D

Tritanopia (blue-blind)

#006672

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #28559e;
/* rgb */ color: rgb(40, 85, 158);
/* oklch */ color: oklch(45.8% 0.129 259.7);

Tailwind

colors: {
  custom: {
    50: '#7284bb',
    500: '#28559e',
    950: '#000000',
  },
}

SCSS

$custom: #28559e;
$custom-light: #7284bb;
$custom-dark: #000000;

JSON

{
  "hex": "#28559e",
  "rgb": {
    "r": 40,
    "g": 85,
    "b": 158
  },
  "hsl": {
    "h": 217.119,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.45831,
    "c": 0.12871,
    "h": 259.7
  },
  "luminance": 0.09417
}

Semantic roles & 50–950 ramp

primary

#28559E

secondary

#BF9C63

accent

#A745E3

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #28559E

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

Preview Lab → · Contrast checker → · Palette generator →