#28499C#28499C

#28499C is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.0% C 0.141 H 264.7°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#28499C
RGB	rgb(40, 73, 156)
HSL	hsl(223, 59%, 38%)
HSV	hsv(223, 74%, 61%)
CMYK	cmyk(74.4%, 53.2%, 0%, 38.8%)
CIE-LAB	lab(33.17, 18.10, -48.79)
CIE-LCH	lch(33.17, 52.04, 290.36°)
OKLab	oklab(43.03% -0.0129 -0.1404)
OKLCH	oklch(43.03% 0.141 264.7)
XYZ	xyz(9.2562, 7.6155, 32.4282)
Luminance	0.0762 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28499C #9C7B28

analogous

#28839C #28499C #41289C

triadic

#28499C #9C2849 #499C28

tetradic

#28499C #9C2883 #9C7B28 #289C41

square

#28499C #9C2883 #9C7B28 #289C41

split-complementary

#28499C #9C4128 #839C28

monochromatic

#0F1B3B #1C326B #28499C #3660CB #6787D8

Accessibility & contrast

On white

8.32

#28499C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#28499C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28499C

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28499C	#FFFFFF	#000000	##FFFFFF
##28499C	1.00	8.32	2.52	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10549F

Deuteranopia (green-blind)

#00499A

Tritanopia (blue-blind)

#005D6B

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #28499c;
/* rgb */ color: rgb(40, 73, 156);
/* oklch */ color: oklch(43.0% 0.141 264.7);

Tailwind

colors: {
  custom: {
    50: '#727bba',
    500: '#28499c',
    950: '#000000',
  },
}

SCSS

$custom: #28499c;
$custom-light: #727bba;
$custom-dark: #000000;

JSON

{
  "hex": "#28499c",
  "rgb": {
    "r": 40,
    "g": 73,
    "b": 156
  },
  "hsl": {
    "h": 222.931,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.43031,
    "c": 0.14097,
    "h": 264.7
  },
  "luminance": 0.07617
}

Semantic roles & 50–950 ramp

primary

#28499C

secondary

#BEA462

accent

#B645E2

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #28499C

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

Preview Lab → · Contrast checker → · Palette generator →