#282BA5#282BA5

#282BA5 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.3% C 0.189 H 272.1°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#282BA5
RGB	rgb(40, 43, 165)
HSL	hsl(239, 61%, 40%)
HSV	hsv(239, 76%, 65%)
CMYK	cmyk(75.8%, 73.9%, 0%, 35.3%)
CIE-LAB	lab(26.43, 40.94, -65.25)
CIE-LCH	lch(26.43, 77.03, 302.11°)
OKLab	oklab(38.31% 0.0068 -0.1888)
OKLCH	oklch(38.31% 0.189 272.1)
XYZ	xyz(8.5282, 4.8946, 36.0853)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282BA5 #A5A228

analogous

#2869A5 #282BA5 #6328A5

triadic

#282BA5 #A5282B #2BA528

tetradic

#282BA5 #A52869 #A5A228 #28A563

square

#282BA5 #A52869 #A5A228 #28A563

split-complementary

#282BA5 #A56328 #69A528

monochromatic

#101142 #1C1E74 #282BA5 #3B3ECF #6C6FDB

Accessibility & contrast

On white

10.61

#282BA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#282BA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282BA5

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282BA5	#FFFFFF	#000000	##FFFFFF
##282BA5	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A9

Deuteranopia (green-blind)

#0038A3

Tritanopia (blue-blind)

#004E65

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #282ba5;
/* rgb */ color: rgb(40, 43, 165);
/* oklch */ color: oklch(38.3% 0.189 272.1);

Tailwind

colors: {
  custom: {
    50: '#7766c1',
    500: '#282ba5',
    950: '#000000',
  },
}

SCSS

$custom: #282ba5;
$custom-light: #7766c1;
$custom-dark: #000000;

JSON

{
  "hex": "#282ba5",
  "rgb": {
    "r": 40,
    "g": 43,
    "b": 165
  },
  "hsl": {
    "h": 238.56,
    "s": 60.976,
    "l": 40.196
  },
  "oklch": {
    "l": 0.38306,
    "c": 0.18896,
    "h": 272.1
  },
  "luminance": 0.04895
}

Semantic roles & 50–950 ramp

primary

#282BA5

secondary

#C2C067

accent

#E044E4

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282BA5

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

Preview Lab → · Contrast checker → · Palette generator →