#28499A#28499A

#28499A is a dark, vivid blue. Relative luminance 0.075; OKLCH L 42.9% C 0.138 H 264.6°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#28499A
RGB	rgb(40, 73, 154)
HSL	hsl(223, 59%, 38%)
HSV	hsv(223, 74%, 60%)
CMYK	cmyk(74%, 52.6%, 0%, 39.6%)
CIE-LAB	lab(33.02, 17.33, -47.81)
CIE-LCH	lch(33.02, 50.86, 289.92°)
OKLab	oklab(42.88% -0.0131 -0.1375)
OKLCH	oklch(42.88% 0.138 264.6)
XYZ	xyz(9.0883, 7.5483, 31.5436)
Luminance	0.0755 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28499A #9A7928

analogous

#28829A #28499A #40289A

triadic

#28499A #9A2849 #499A28

tetradic

#28499A #9A2882 #9A7928 #289A40

square

#28499A #9A2882 #9A7928 #289A40

split-complementary

#28499A #9A4028 #829A28

monochromatic

#0F1B39 #1B3269 #28499A #3560CA #6586D7

Accessibility & contrast

On white

8.37

#28499A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#28499A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28499A

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28499A	#FFFFFF	#000000	##FFFFFF
##28499A	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14539D

Deuteranopia (green-blind)

#004998

Tritanopia (blue-blind)

#005C6A

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #28499a;
/* rgb */ color: rgb(40, 73, 154);
/* oklch */ color: oklch(42.9% 0.138 264.6);

Tailwind

colors: {
  custom: {
    50: '#727bb8',
    500: '#28499a',
    950: '#000000',
  },
}

SCSS

$custom: #28499a;
$custom-light: #727bb8;
$custom-dark: #000000;

JSON

{
  "hex": "#28499a",
  "rgb": {
    "r": 40,
    "g": 73,
    "b": 154
  },
  "hsl": {
    "h": 222.632,
    "s": 58.763,
    "l": 38.039
  },
  "oklch": {
    "l": 0.42875,
    "c": 0.13813,
    "h": 264.6
  },
  "luminance": 0.07549
}

Semantic roles & 50–950 ramp

primary

#28499A

secondary

#BDA261

accent

#B546E2

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #28499A

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

Preview Lab → · Contrast checker → · Palette generator →