#5152BB#5152BB

#5152BB is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.7% C 0.161 H 278.3°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#5152BB
RGB	rgb(81, 82, 187)
HSL	hsl(239, 44%, 53%)
HSV	hsv(239, 57%, 73%)
CMYK	cmyk(56.7%, 56.1%, 0%, 26.7%)
CIE-LAB	lab(40.20, 30.22, -55.73)
CIE-LCH	lch(40.20, 63.40, 298.47°)
OKLab	oklab(49.66% 0.0234 -0.1597)
OKLCH	oklch(49.66% 0.161 278.3)
XYZ	xyz(15.3774, 11.3707, 48.3885)
Luminance	0.1137 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5152BB #BBBA51

analogous

#5187BB #5152BB #8551BB

triadic

#5152BB #BB5152 #52BB51

tetradic

#5152BB #BB5187 #BBBA51 #51BB85

square

#5152BB #BB5187 #BBBA51 #51BB85

split-complementary

#5152BB #BB8551 #87BB51

monochromatic

#292A69 #3A3B95 #5152BB #7D7ECC #A9AADD

Accessibility & contrast

On white

6.41

#5152BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#5152BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5152BB

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5152BB	#FFFFFF	#000000	##FFFFFF
##5152BB	1.00	6.41	3.27	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063BF

Deuteranopia (green-blind)

#005AB9

Tritanopia (blue-blind)

#166A7E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #5152bb;
/* rgb */ color: rgb(81, 82, 187);
/* oklch */ color: oklch(49.7% 0.161 278.3);

Tailwind

colors: {
  custom: {
    50: '#8b82d0',
    500: '#5152bb',
    950: '#000000',
  },
}

SCSS

$custom: #5152bb;
$custom-light: #8b82d0;
$custom-dark: #000000;

JSON

{
  "hex": "#5152bb",
  "rgb": {
    "r": 81,
    "g": 82,
    "b": 187
  },
  "hsl": {
    "h": 239.434,
    "s": 43.802,
    "l": 52.549
  },
  "oklch": {
    "l": 0.49656,
    "c": 0.16143,
    "h": 278.3
  },
  "luminance": 0.11372
}

Semantic roles & 50–950 ramp

primary

#5152BB

secondary

#CBCA9D

accent

#D254D4

background

#F9F8FC

surface

#F1EFF9

border

#CBCAD2

text

#0D0A14

muted

#7E7C82

Preview Lab

Preview with #5152BB

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

Preview Lab → · Contrast checker → · Palette generator →