#282CA5#282CA5

#282CA5 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.5% C 0.188 H 271.9°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#282CA5
RGB	rgb(40, 44, 165)
HSL	hsl(238, 61%, 40%)
HSV	hsv(238, 76%, 65%)
CMYK	cmyk(75.8%, 73.3%, 0%, 35.3%)
CIE-LAB	lab(26.64, 40.35, -64.90)
CIE-LCH	lch(26.64, 76.42, 301.87°)
OKLab	oklab(38.46% 0.0063 -0.1878)
OKLCH	oklch(38.46% 0.188 271.9)
XYZ	xyz(8.5650, 4.9682, 36.0976)
Luminance	0.0497 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282CA5 #A5A128

analogous

#286AA5 #282CA5 #6228A5

triadic

#282CA5 #A5282C #2CA528

tetradic

#282CA5 #A5286A #A5A128 #28A562

square

#282CA5 #A5286A #A5A128 #28A562

split-complementary

#282CA5 #A56228 #6AA528

monochromatic

#101242 #1C1F74 #282CA5 #3B40CF #6C70DB

Accessibility & contrast

On white

10.53

#282CA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#282CA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282CA5

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282CA5	#FFFFFF	#000000	##FFFFFF
##282CA5	1.00	10.53	1.99	10.53
#FFFFFF	10.53	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A9

Deuteranopia (green-blind)

#0039A3

Tritanopia (blue-blind)

#004F66

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #282ca5;
/* rgb */ color: rgb(40, 44, 165);
/* oklch */ color: oklch(38.5% 0.188 271.9);

Tailwind

colors: {
  custom: {
    50: '#7766c1',
    500: '#282ca5',
    950: '#000000',
  },
}

SCSS

$custom: #282ca5;
$custom-light: #7766c1;
$custom-dark: #000000;

JSON

{
  "hex": "#282ca5",
  "rgb": {
    "r": 40,
    "g": 44,
    "b": 165
  },
  "hsl": {
    "h": 238.08,
    "s": 60.976,
    "l": 40.196
  },
  "oklch": {
    "l": 0.38457,
    "c": 0.18794,
    "h": 271.9
  },
  "luminance": 0.04969
}

Semantic roles & 50–950 ramp

primary

#282CA5

secondary

#C2BF67

accent

#DF44E4

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282CA5

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

Preview Lab → · Contrast checker → · Palette generator →