#282BA1#282BA1

#282BA1 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.9% C 0.184 H 272.3°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#282BA1
RGB	rgb(40, 43, 161)
HSL	hsl(239, 60%, 39%)
HSV	hsv(239, 75%, 63%)
CMYK	cmyk(75.2%, 73.3%, 0%, 36.9%)
CIE-LAB	lab(26.01, 39.57, -63.51)
CIE-LCH	lch(26.01, 74.83, 301.92°)
OKLab	oklab(37.88% 0.0074 -0.1838)
OKLCH	oklch(37.88% 0.184 272.3)
XYZ	xyz(8.1698, 4.7512, 34.1978)
Luminance	0.0475 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282BA1 #A19E28

analogous

#2868A1 #282BA1 #6128A1

triadic

#282BA1 #A1282B #2BA128

tetradic

#282BA1 #A12868 #A19E28 #28A161

square

#282BA1 #A12868 #A19E28 #28A161

split-complementary

#282BA1 #A16128 #68A128

monochromatic

#10113F #1C1E70 #282BA1 #393CCE #6A6CDA

Accessibility & contrast

On white

10.77

#282BA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#282BA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282BA1

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282BA1	#FFFFFF	#000000	##FFFFFF
##282BA1	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A4

Deuteranopia (green-blind)

#00389F

Tritanopia (blue-blind)

#004D63

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #282ba1;
/* rgb */ color: rgb(40, 43, 161);
/* oklch */ color: oklch(37.9% 0.184 272.3);

Tailwind

colors: {
  custom: {
    50: '#7665be',
    500: '#282ba1',
    950: '#000000',
  },
}

SCSS

$custom: #282ba1;
$custom-light: #7665be;
$custom-dark: #000000;

JSON

{
  "hex": "#282ba1",
  "rgb": {
    "r": 40,
    "g": 43,
    "b": 161
  },
  "hsl": {
    "h": 238.512,
    "s": 60.199,
    "l": 39.412
  },
  "oklch": {
    "l": 0.37882,
    "c": 0.18394,
    "h": 272.3
  },
  "luminance": 0.04752
}

Semantic roles & 50–950 ramp

primary

#282BA1

secondary

#C0BE65

accent

#DF44E3

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282BA1

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

Preview Lab → · Contrast checker → · Palette generator →