#28355A#28355A

#28355A is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.7% C 0.068 H 268.0°. Best body text is #FFFFFF at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#28355A
RGB	rgb(40, 53, 90)
HSL	hsl(224, 38%, 25%)
HSV	hsv(224, 56%, 35%)
CMYK	cmyk(55.6%, 41.1%, 0%, 64.7%)
CIE-LAB	lab(22.78, 6.68, -23.92)
CIE-LCH	lch(22.78, 24.84, 285.60°)
OKLab	oklab(33.66% -0.0023 -0.0676)
OKLCH	oklch(33.66% 0.068 268)
XYZ	xyz(3.9930, 3.7352, 10.1814)
Luminance	0.0374 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28355A #5A4D28

analogous

#284E5A #28355A #34285A

triadic

#28355A #5A2835 #355A28

tetradic

#28355A #5A284E #5A4D28 #285A34

square

#28355A #5A284E #5A4D28 #285A34

split-complementary

#28355A #5A3428 #4E5A28

monochromatic

#090C15 #151C30 #28355A #3B4E84 #4E67AF

Accessibility & contrast

On white

12.02

#28355A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#28355A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28355A

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28355A	#FFFFFF	#000000	##FFFFFF
##28355A	1.00	12.02	1.75	12.02
#FFFFFF	12.02	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26395B

Deuteranopia (green-blind)

#213459

Tritanopia (blue-blind)

#113D43

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #28355a;
/* rgb */ color: rgb(40, 53, 90);
/* oklch */ color: oklch(33.7% 0.068 268.0);

Tailwind

colors: {
  custom: {
    50: '#666c89',
    500: '#28355a',
    950: '#000000',
  },
}

SCSS

$custom: #28355a;
$custom-light: #666c89;
$custom-dark: #000000;

JSON

{
  "hex": "#28355a",
  "rgb": {
    "r": 40,
    "g": 53,
    "b": 90
  },
  "hsl": {
    "h": 224.4,
    "s": 38.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.3366,
    "c": 0.06768,
    "h": 268
  },
  "luminance": 0.03736
}

Semantic roles & 50–950 ramp

primary

#28355A

secondary

#8D7D51

accent

#B059CE

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#06060B

muted

#7A7A7C

Preview Lab

Preview with #28355A

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

Preview Lab → · Contrast checker → · Palette generator →