#282C8E#282C8E

#282C8E is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.1% C 0.158 H 273.4°. Best body text is #FFFFFF at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#282C8E
RGB	rgb(40, 44, 142)
HSL	hsl(238, 56%, 36%)
HSV	hsv(238, 72%, 56%)
CMYK	cmyk(71.8%, 69%, 0%, 44.3%)
CIE-LAB	lab(24.34, 32.23, -54.61)
CIE-LCH	lch(24.34, 63.41, 300.55°)
OKLab	oklab(36.1% 0.0095 -0.1578)
OKLCH	oklch(36.1% 0.158 273.4)
XYZ	xyz(6.6566, 4.2048, 26.0467)
Luminance	0.0420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282C8E #8E8A28

analogous

#285F8E #282C8E #57288E

triadic

#282C8E #8E282C #2C8E28

tetradic

#282C8E #8E285F #8E8A28 #288E57

square

#282C8E #8E285F #8E8A28 #288E57

split-complementary

#282C8E #8E5728 #5F8E28

monochromatic

#0D0E2F #1B1D5E #282C8E #353BBE #5F63D2

Accessibility & contrast

On white

11.41

#282C8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#282C8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282C8E

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282C8E	#FFFFFF	#000000	##FFFFFF
##282C8E	1.00	11.41	1.84	11.41
#FFFFFF	11.41	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F91

Deuteranopia (green-blind)

#00358C

Tritanopia (blue-blind)

#004659

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #282c8e;
/* rgb */ color: rgb(40, 44, 142);
/* oklch */ color: oklch(36.1% 0.158 273.4);

Tailwind

colors: {
  custom: {
    50: '#7165b0',
    500: '#282c8e',
    950: '#000000',
  },
}

SCSS

$custom: #282c8e;
$custom-light: #7165b0;
$custom-dark: #000000;

JSON

{
  "hex": "#282c8e",
  "rgb": {
    "r": 40,
    "g": 44,
    "b": 142
  },
  "hsl": {
    "h": 237.647,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.36102,
    "c": 0.15808,
    "h": 273.4
  },
  "luminance": 0.04205
}

Semantic roles & 50–950 ramp

primary

#282C8E

secondary

#B7B45B

accent

#D948DF

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090611

muted

#7B7A80

Preview Lab

Preview with #282C8E

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

Preview Lab → · Contrast checker → · Palette generator →