#282BA8#282BA8

#282BA8 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.6% C 0.193 H 271.9°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#282BA8
RGB	rgb(40, 43, 168)
HSL	hsl(239, 62%, 41%)
HSV	hsv(239, 76%, 66%)
CMYK	cmyk(76.2%, 74.4%, 0%, 34.1%)
CIE-LAB	lab(26.75, 41.97, -66.54)
CIE-LCH	lch(26.75, 78.67, 302.24°)
OKLab	oklab(38.63% 0.0063 -0.1926)
OKLCH	oklch(38.63% 0.193 271.9)
XYZ	xyz(8.8044, 5.0051, 37.5403)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282BA8 #A8A528

analogous

#286BA8 #282BA8 #6528A8

triadic

#282BA8 #A8282B #2BA828

tetradic

#282BA8 #A8286B #A8A528 #28A865

square

#282BA8 #A8286B #A8A528 #28A865

split-complementary

#282BA8 #A86528 #6BA828

monochromatic

#101245 #1C1E77 #282BA8 #3D40D1 #6E71DC

Accessibility & contrast

On white

10.49

#282BA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#282BA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282BA8

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282BA8	#FFFFFF	#000000	##FFFFFF
##282BA8	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AC

Deuteranopia (green-blind)

#0039A6

Tritanopia (blue-blind)

#004F67

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #282ba8;
/* rgb */ color: rgb(40, 43, 168);
/* oklch */ color: oklch(38.6% 0.193 271.9);

Tailwind

colors: {
  custom: {
    50: '#7866c3',
    500: '#282ba8',
    950: '#000000',
  },
}

SCSS

$custom: #282ba8;
$custom-light: #7866c3;
$custom-dark: #000000;

JSON

{
  "hex": "#282ba8",
  "rgb": {
    "r": 40,
    "g": 43,
    "b": 168
  },
  "hsl": {
    "h": 238.594,
    "s": 61.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.38626,
    "c": 0.1927,
    "h": 271.9
  },
  "luminance": 0.05006
}

Semantic roles & 50–950 ramp

primary

#282BA8

secondary

#C3C169

accent

#E143E5

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #282BA8

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

Preview Lab → · Contrast checker → · Palette generator →