#282B88#282B88

#282B88 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.3% C 0.151 H 274.1°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#282B88
RGB	rgb(40, 43, 136)
HSL	hsl(238, 55%, 35%)
HSV	hsv(238, 71%, 53%)
CMYK	cmyk(70.6%, 68.4%, 0%, 46.7%)
CIE-LAB	lab(23.53, 30.71, -52.20)
CIE-LCH	lch(23.53, 60.56, 300.46°)
OKLab	oklab(35.34% 0.0108 -0.1508)
OKLCH	oklch(35.34% 0.151 274.1)
XYZ	xyz(6.1814, 3.9559, 23.7256)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282B88 #888528

analogous

#285B88 #282B88 #552888

triadic

#282B88 #88282B #2B8828

tetradic

#282B88 #88285B #888528 #288855

square

#282B88 #88285B #888528 #288855

split-complementary

#282B88 #885528 #5B8828

monochromatic

#0C0D29 #1A1C59 #282B88 #363AB7 #5B5FCF

Accessibility & contrast

On white

11.72

#282B88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#282B88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282B88

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282B88	#FFFFFF	#000000	##FFFFFF
##282B88	1.00	11.72	1.79	11.72
#FFFFFF	11.72	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8B

Deuteranopia (green-blind)

#003486

Tritanopia (blue-blind)

#004455

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #282b88;
/* rgb */ color: rgb(40, 43, 136);
/* oklch */ color: oklch(35.3% 0.151 274.1);

Tailwind

colors: {
  custom: {
    50: '#7065ac',
    500: '#282b88',
    950: '#000000',
  },
}

SCSS

$custom: #282b88;
$custom-light: #7065ac;
$custom-dark: #000000;

JSON

{
  "hex": "#282b88",
  "rgb": {
    "r": 40,
    "g": 43,
    "b": 136
  },
  "hsl": {
    "h": 238.125,
    "s": 54.545,
    "l": 34.51
  },
  "oklch": {
    "l": 0.35337,
    "c": 0.15116,
    "h": 274.1
  },
  "luminance": 0.03956
}

Semantic roles & 50–950 ramp

primary

#282B88

secondary

#B4B158

accent

#D94ADE

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080510

muted

#7B7A7F

Preview Lab

Preview with #282B88

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

Preview Lab → · Contrast checker → · Palette generator →