#282CAF#282CAF

#282CAF is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.5% C 0.200 H 271.3°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#282CAF
RGB	rgb(40, 44, 175)
HSL	hsl(238, 63%, 42%)
HSV	hsv(238, 77%, 69%)
CMYK	cmyk(77.1%, 74.9%, 0%, 31.4%)
CIE-LAB	lab(27.70, 43.77, -69.17)
CIE-LCH	lch(27.70, 81.86, 302.32°)
OKLab	oklab(39.52% 0.0047 -0.2003)
OKLCH	oklch(39.52% 0.2 271.3)
XYZ	xyz(9.5110, 5.3466, 41.0799)
Luminance	0.0535 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282CAF #AFAB28

analogous

#2870AF #282CAF #6728AF

triadic

#282CAF #AF282C #2CAF28

tetradic

#282CAF #AF2870 #AFAB28 #28AF67

square

#282CAF #AF2870 #AFAB28 #28AF67

split-complementary

#282CAF #AF6728 #70AF28

monochromatic

#11134B #1D1F7D #282CAF #4145D4 #7376DF

Accessibility & contrast

On white

10.15

#282CAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#282CAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282CAF

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282CAF	#FFFFFF	#000000	##FFFFFF
##282CAF	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B3

Deuteranopia (green-blind)

#003BAD

Tritanopia (blue-blind)

#00526B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #282caf;
/* rgb */ color: rgb(40, 44, 175);
/* oklch */ color: oklch(39.5% 0.200 271.3);

Tailwind

colors: {
  custom: {
    50: '#7967c8',
    500: '#282caf',
    950: '#000000',
  },
}

SCSS

$custom: #282caf;
$custom-light: #7967c8;
$custom-dark: #000000;

JSON

{
  "hex": "#282caf",
  "rgb": {
    "r": 40,
    "g": 44,
    "b": 175
  },
  "hsl": {
    "h": 238.222,
    "s": 62.791,
    "l": 42.157
  },
  "oklch": {
    "l": 0.39523,
    "c": 0.20032,
    "h": 271.3
  },
  "luminance": 0.05348
}

Semantic roles & 50–950 ramp

primary

#282CAF

secondary

#C6C36D

accent

#E142E6

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #282CAF

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

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