#282EA3#282EA3

#282EA3 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.6% C 0.183 H 271.8°. Best body text is #FFFFFF at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#282EA3
RGB	rgb(40, 46, 163)
HSL	hsl(237, 61%, 40%)
HSV	hsv(237, 75%, 64%)
CMYK	cmyk(75.5%, 71.8%, 0%, 36.1%)
CIE-LAB	lab(26.87, 38.45, -63.31)
CIE-LCH	lch(26.87, 74.07, 301.27°)
OKLab	oklab(38.56% 0.0056 -0.1832)
OKLCH	oklch(38.56% 0.183 271.8)
XYZ	xyz(8.4607, 5.0486, 35.1718)
Luminance	0.0505 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282EA3 #A39D28

analogous

#286CA3 #282EA3 #5F28A3

triadic

#282EA3 #A3282E #2EA328

tetradic

#282EA3 #A3286C #A39D28 #28A35F

square

#282EA3 #A3286C #A39D28 #28A35F

split-complementary

#282EA3 #A35F28 #6CA328

monochromatic

#101241 #1C2072 #282EA3 #3A41CF #6B70DB

Accessibility & contrast

On white

10.45

#282EA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#282EA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282EA3

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282EA3	#FFFFFF	#000000	##FFFFFF
##282EA3	1.00	10.45	2.01	10.45
#FFFFFF	10.45	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A7

Deuteranopia (green-blind)

#003AA1

Tritanopia (blue-blind)

#004F65

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #282ea3;
/* rgb */ color: rgb(40, 46, 163);
/* oklch */ color: oklch(38.6% 0.183 271.8);

Tailwind

colors: {
  custom: {
    50: '#7667bf',
    500: '#282ea3',
    950: '#000000',
  },
}

SCSS

$custom: #282ea3;
$custom-light: #7667bf;
$custom-dark: #000000;

JSON

{
  "hex": "#282ea3",
  "rgb": {
    "r": 40,
    "g": 46,
    "b": 163
  },
  "hsl": {
    "h": 237.073,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.38559,
    "c": 0.1833,
    "h": 271.8
  },
  "luminance": 0.05049
}

Semantic roles & 50–950 ramp

primary

#282EA3

secondary

#C1BD66

accent

#DC44E4

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282EA3

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

Preview Lab → · Contrast checker → · Palette generator →