#28499E#28499E

#28499E is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.2% C 0.144 H 264.9°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#28499E
RGB	rgb(40, 73, 158)
HSL	hsl(223, 60%, 39%)
HSV	hsv(223, 75%, 62%)
CMYK	cmyk(74.7%, 53.8%, 0%, 38%)
CIE-LAB	lab(33.32, 18.88, -49.76)
CIE-LCH	lch(33.32, 53.22, 290.78°)
OKLab	oklab(43.19% -0.0127 -0.1432)
OKLCH	oklch(43.19% 0.144 264.9)
XYZ	xyz(9.4270, 7.6838, 33.3274)
Luminance	0.0769 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28499E #9E7D28

analogous

#28849E #28499E #42289E

triadic

#28499E #9E2849 #499E28

tetradic

#28499E #9E2884 #9E7D28 #289E42

square

#28499E #9E2884 #9E7D28 #289E42

split-complementary

#28499E #9E4228 #849E28

monochromatic

#0F1C3C #1C326D #28499E #3761CC #6887D9

Accessibility & contrast

On white

8.28

#28499E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#28499E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28499E

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28499E	#FFFFFF	#000000	##FFFFFF
##28499E	1.00	8.28	2.54	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B54A1

Deuteranopia (green-blind)

#00499C

Tritanopia (blue-blind)

#005E6C

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #28499e;
/* rgb */ color: rgb(40, 73, 158);
/* oklch */ color: oklch(43.2% 0.144 264.9);

Tailwind

colors: {
  custom: {
    50: '#737bbb',
    500: '#28499e',
    950: '#000000',
  },
}

SCSS

$custom: #28499e;
$custom-light: #737bbb;
$custom-dark: #000000;

JSON

{
  "hex": "#28499e",
  "rgb": {
    "r": 40,
    "g": 73,
    "b": 158
  },
  "hsl": {
    "h": 223.22,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.43189,
    "c": 0.1438,
    "h": 264.9
  },
  "luminance": 0.07685
}

Semantic roles & 50–950 ramp

primary

#28499E

secondary

#BFA563

accent

#B745E3

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #28499E

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

Preview Lab → · Contrast checker → · Palette generator →