#282978#282978

#282978 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.4% C 0.131 H 276.1°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#282978
RGB	rgb(40, 41, 120)
HSL	hsl(239, 50%, 31%)
HSV	hsv(239, 67%, 47%)
CMYK	cmyk(66.7%, 65.8%, 0%, 52.9%)
CIE-LAB	lab(21.55, 26.19, -45.33)
CIE-LCH	lch(21.55, 52.36, 300.02°)
OKLab	oklab(33.44% 0.0139 -0.1306)
OKLCH	oklch(33.44% 0.131 276.1)
XYZ	xyz(5.0571, 3.3926, 18.1540)
Luminance	0.0339 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282978 #787728

analogous

#285178 #282978 #4F2878

triadic

#282978 #782829 #297828

tetradic

#282978 #782851 #787728 #28784F

square

#282978 #782851 #787728 #28784F

split-complementary

#282978 #784F28 #517828

monochromatic

#090A1C #19194A #282978 #3739A6 #5456C6

Accessibility & contrast

On white

12.51

#282978 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#282978 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282978

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282978	#FFFFFF	#000000	##FFFFFF
##282978	1.00	12.51	1.68	12.51
#FFFFFF	12.51	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377B

Deuteranopia (green-blind)

#003076

Tritanopia (blue-blind)

#003D4C

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #282978;
/* rgb */ color: rgb(40, 41, 120);
/* oklch */ color: oklch(33.4% 0.131 276.1);

Tailwind

colors: {
  custom: {
    50: '#6c63a0',
    500: '#282978',
    950: '#000000',
  },
}

SCSS

$custom: #282978;
$custom-light: #6c63a0;
$custom-dark: #000000;

JSON

{
  "hex": "#282978",
  "rgb": {
    "r": 40,
    "g": 41,
    "b": 120
  },
  "hsl": {
    "h": 239.25,
    "s": 50,
    "l": 31.373
  },
  "oklch": {
    "l": 0.33444,
    "c": 0.13138,
    "h": 276.1
  },
  "luminance": 0.03393
}

Semantic roles & 50–950 ramp

primary

#282978

secondary

#AAA952

accent

#D84EDA

background

#F6F5F9

surface

#ECEAF2

border

#C7C6CC

text

#08050F

muted

#7A797E

Preview Lab

Preview with #282978

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

Preview Lab → · Contrast checker → · Palette generator →