#28498E#28498E

#28498E is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.0% C 0.121 H 263.0°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#28498E
RGB	rgb(40, 73, 142)
HSL	hsl(221, 56%, 36%)
HSV	hsv(221, 72%, 56%)
CMYK	cmyk(71.8%, 48.6%, 0%, 44.3%)
CIE-LAB	lab(32.19, 12.68, -41.85)
CIE-LCH	lch(32.19, 43.73, 286.85°)
OKLab	oklab(41.97% -0.0147 -0.12)
OKLCH	oklch(41.97% 0.121 263)
XYZ	xyz(8.1384, 7.1684, 26.5407)
Luminance	0.0717 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28498E #8E6D28

analogous

#287C8E #28498E #3A288E

triadic

#28498E #8E2849 #498E28

tetradic

#28498E #8E287C #8E6D28 #288E3A

square

#28498E #8E287C #8E6D28 #288E3A

split-complementary

#28498E #8E3A28 #7C8E28

monochromatic

#0D182F #1B305E #28498E #3562BE #5F84D2

Accessibility & contrast

On white

8.63

#28498E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#28498E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28498E

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28498E	#FFFFFF	#000000	##FFFFFF
##28498E	1.00	8.63	2.43	8.63
#FFFFFF	8.63	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#245191

Deuteranopia (green-blind)

#0B478D

Tritanopia (blue-blind)

#005964

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #28498e;
/* rgb */ color: rgb(40, 73, 142);
/* oklch */ color: oklch(42.0% 0.121 263.0);

Tailwind

colors: {
  custom: {
    50: '#6f7baf',
    500: '#28498e',
    950: '#000000',
  },
}

SCSS

$custom: #28498e;
$custom-light: #6f7baf;
$custom-dark: #000000;

JSON

{
  "hex": "#28498e",
  "rgb": {
    "r": 40,
    "g": 73,
    "b": 142
  },
  "hsl": {
    "h": 220.588,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.41969,
    "c": 0.12087,
    "h": 263
  },
  "luminance": 0.07169
}

Semantic roles & 50–950 ramp

primary

#28498E

secondary

#B7995B

accent

#AF48DF

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #28498E

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

Preview Lab → · Contrast checker → · Palette generator →