#282DB4#282DB4

#282DB4 is a dark, highly saturated blue. Relative luminance 0.056; OKLCH L 40.2% C 0.205 H 271.0°. Best body text is #FFFFFF at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#282DB4
RGB	rgb(40, 45, 180)
HSL	hsl(238, 64%, 43%)
HSV	hsv(238, 78%, 71%)
CMYK	cmyk(77.8%, 75%, 0%, 29.4%)
CIE-LAB	lab(28.44, 44.88, -70.94)
CIE-LCH	lch(28.44, 83.94, 302.32°)
OKLab	oklab(40.21% 0.0034 -0.2054)
OKLCH	oklch(40.21% 0.205 271)
XYZ	xyz(10.0489, 5.6221, 43.7267)
Luminance	0.0562 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282DB4 #B4AF28

analogous

#2873B4 #282DB4 #6928B4

triadic

#282DB4 #B4282D #2DB428

tetradic

#282DB4 #B42873 #B4AF28 #28B469

square

#282DB4 #B42873 #B4AF28 #28B469

split-complementary

#282DB4 #B46928 #73B428

monochromatic

#121450 #1D2082 #282DB4 #4449D5 #767AE1

Accessibility & contrast

On white

9.88

#282DB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#282DB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282DB4

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282DB4	#FFFFFF	#000000	##FFFFFF
##282DB4	1.00	9.88	2.12	9.88
#FFFFFF	9.88	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB8

Deuteranopia (green-blind)

#003CB2

Tritanopia (blue-blind)

#00556E

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #282db4;
/* rgb */ color: rgb(40, 45, 180);
/* oklch */ color: oklch(40.2% 0.205 271.0);

Tailwind

colors: {
  custom: {
    50: '#7b68cc',
    500: '#282db4',
    950: '#000000',
  },
}

SCSS

$custom: #282db4;
$custom-light: #7b68cc;
$custom-dark: #000000;

JSON

{
  "hex": "#282db4",
  "rgb": {
    "r": 40,
    "g": 45,
    "b": 180
  },
  "hsl": {
    "h": 237.857,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.40206,
    "c": 0.20545,
    "h": 271
  },
  "luminance": 0.05623
}

Semantic roles & 50–950 ramp

primary

#282DB4

secondary

#C8C570

accent

#E141E7

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0614

muted

#7C7A82

Preview Lab

Preview with #282DB4

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

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