#285398#285398

#285398 is a dark, vivid blue. Relative luminance 0.089; OKLCH L 45.0% C 0.123 H 259.5°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#285398
RGB	rgb(40, 83, 152)
HSL	hsl(217, 58%, 38%)
HSV	hsv(217, 74%, 60%)
CMYK	cmyk(73.7%, 45.4%, 0%, 40.4%)
CIE-LAB	lab(35.80, 9.86, -42.14)
CIE-LCH	lch(35.80, 43.28, 283.17°)
OKLab	oklab(44.96% -0.0224 -0.1206)
OKLCH	oklch(44.96% 0.123 259.5)
XYZ	xyz(9.6338, 8.9036, 30.9105)
Luminance	0.0891 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285398 #986D28

analogous

#288B98 #285398 #352898

triadic

#285398 #982853 #539828

tetradic

#285398 #98288B #986D28 #289835

square

#285398 #98288B #986D28 #289835

split-complementary

#285398 #983528 #8B9828

monochromatic

#0F1E37 #1B3968 #285398 #356DC8 #6490D6

Accessibility & contrast

On white

7.55

#285398 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#285398 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #285398

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285398	#FFFFFF	#000000	##FFFFFF
##285398	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#305A9B

Deuteranopia (green-blind)

#1B4F97

Tritanopia (blue-blind)

#00636E

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #285398;
/* rgb */ color: rgb(40, 83, 152);
/* oklch */ color: oklch(45.0% 0.123 259.5);

Tailwind

colors: {
  custom: {
    50: '#7182b7',
    500: '#285398',
    950: '#000000',
  },
}

SCSS

$custom: #285398;
$custom-light: #7182b7;
$custom-dark: #000000;

JSON

{
  "hex": "#285398",
  "rgb": {
    "r": 40,
    "g": 83,
    "b": 152
  },
  "hsl": {
    "h": 216.964,
    "s": 58.333,
    "l": 37.647
  },
  "oklch": {
    "l": 0.44956,
    "c": 0.1227,
    "h": 259.5
  },
  "luminance": 0.08905
}

Semantic roles & 50–950 ramp

primary

#285398

secondary

#BC9960

accent

#A646E2

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #285398

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

Preview Lab → · Contrast checker → · Palette generator →