#282CAB#282CAB

#282CAB is a dark, vivid blue. Relative luminance 0.052; OKLCH L 39.1% C 0.195 H 271.6°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#282CAB
RGB	rgb(40, 44, 171)
HSL	hsl(238, 62%, 41%)
HSV	hsv(238, 77%, 67%)
CMYK	cmyk(76.6%, 74.3%, 0%, 32.9%)
CIE-LAB	lab(27.27, 42.41, -67.48)
CIE-LCH	lch(27.27, 79.70, 302.15°)
OKLab	oklab(39.09% 0.0053 -0.1953)
OKLCH	oklch(39.09% 0.195 271.6)
XYZ	xyz(9.1240, 5.1918, 39.0414)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282CAB #ABA728

analogous

#286EAB #282CAB #6628AB

triadic

#282CAB #AB282C #2CAB28

tetradic

#282CAB #AB286E #ABA728 #28AB66

square

#282CAB #AB286E #ABA728 #28AB66

split-complementary

#282CAB #AB6628 #6EAB28

monochromatic

#111248 #1C1F79 #282CAB #3E43D2 #7073DE

Accessibility & contrast

On white

10.30

#282CAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#282CAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282CAB

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282CAB	#FFFFFF	#000000	##FFFFFF
##282CAB	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047AF

Deuteranopia (green-blind)

#003AA9

Tritanopia (blue-blind)

#005169

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #282cab;
/* rgb */ color: rgb(40, 44, 171);
/* oklch */ color: oklch(39.1% 0.195 271.6);

Tailwind

colors: {
  custom: {
    50: '#7867c5',
    500: '#282cab',
    950: '#000000',
  },
}

SCSS

$custom: #282cab;
$custom-light: #7867c5;
$custom-dark: #000000;

JSON

{
  "hex": "#282cab",
  "rgb": {
    "r": 40,
    "g": 44,
    "b": 171
  },
  "hsl": {
    "h": 238.168,
    "s": 62.085,
    "l": 41.373
  },
  "oklch": {
    "l": 0.39094,
    "c": 0.19541,
    "h": 271.6
  },
  "luminance": 0.05193
}

Semantic roles & 50–950 ramp

primary

#282CAB

secondary

#C4C26A

accent

#E043E5

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #282CAB

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

Preview Lab → · Contrast checker → · Palette generator →