#282F8D#282F8D

#282F8D is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.5% C 0.153 H 272.8°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#282F8D
RGB	rgb(40, 47, 141)
HSL	hsl(236, 56%, 35%)
HSV	hsv(236, 72%, 55%)
CMYK	cmyk(71.6%, 66.7%, 0%, 44.7%)
CIE-LAB	lab(24.97, 29.92, -52.95)
CIE-LCH	lch(24.97, 60.81, 299.47°)
OKLab	oklab(36.54% 0.0074 -0.1529)
OKLCH	oklch(36.54% 0.153 272.8)
XYZ	xyz(6.6977, 4.4066, 25.6917)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282F8D #8D8628

analogous

#28618D #282F8D #54288D

triadic

#282F8D #8D282F #2F8D28

tetradic

#282F8D #8D2861 #8D8628 #288D54

square

#282F8D #8D2861 #8D8628 #288D54

split-complementary

#282F8D #8D5428 #618D28

monochromatic

#0D0F2E #1A1F5D #282F8D #363FBD #5E66D1

Accessibility & contrast

On white

11.16

#282F8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#282F8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282F8D

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282F8D	#FFFFFF	#000000	##FFFFFF
##282F8D	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004090

Deuteranopia (green-blind)

#00378B

Tritanopia (blue-blind)

#004859

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #282f8d;
/* rgb */ color: rgb(40, 47, 141);
/* oklch */ color: oklch(36.5% 0.153 272.8);

Tailwind

colors: {
  custom: {
    50: '#7167af',
    500: '#282f8d',
    950: '#000000',
  },
}

SCSS

$custom: #282f8d;
$custom-light: #7167af;
$custom-dark: #000000;

JSON

{
  "hex": "#282f8d",
  "rgb": {
    "r": 40,
    "g": 47,
    "b": 141
  },
  "hsl": {
    "h": 235.842,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.36535,
    "c": 0.15311,
    "h": 272.8
  },
  "luminance": 0.04407
}

Semantic roles & 50–950 ramp

primary

#282F8D

secondary

#B7B05A

accent

#D549DF

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #282F8D

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

Preview Lab → · Contrast checker → · Palette generator →