#5153D5#5153D5

#5153D5 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.9% C 0.195 H 276.5°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#5153D5
RGB	rgb(81, 83, 213)
HSL	hsl(239, 61%, 58%)
HSV	hsv(239, 62%, 84%)
CMYK	cmyk(62%, 61%, 0%, 16.5%)
CIE-LAB	lab(42.37, 38.15, -67.27)
CIE-LCH	lch(42.37, 77.33, 299.56°)
OKLab	oklab(51.87% 0.0221 -0.1936)
OKLCH	oklch(51.87% 0.195 276.5)
XYZ	xyz(18.4929, 12.7385, 64.4221)
Luminance	0.1274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5153D5 #D5D351

analogous

#5195D5 #5153D5 #9151D5

triadic

#5153D5 #D55153 #53D551

tetradic

#5153D5 #D55195 #D5D351 #51D591

square

#5153D5 #D55195 #D5D351 #51D591

split-complementary

#5153D5 #D59151 #95D551

monochromatic

#21238A #2D2FBC #5153D5 #8284E1 #B4B4ED

Accessibility & contrast

On white

5.92

#5153D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#5153D5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5153D5

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5153D5	#FFFFFF	#000000	##FFFFFF
##5153D5	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD9

Deuteranopia (green-blind)

#005ED2

Tritanopia (blue-blind)

#00738C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #5153d5;
/* rgb */ color: rgb(81, 83, 213);
/* oklch */ color: oklch(51.9% 0.195 276.5);

Tailwind

colors: {
  custom: {
    50: '#8f83e3',
    500: '#5153d5',
    950: '#000000',
  },
}

SCSS

$custom: #5153d5;
$custom-light: #8f83e3;
$custom-dark: #000000;

JSON

{
  "hex": "#5153d5",
  "rgb": {
    "r": 81,
    "g": 83,
    "b": 213
  },
  "hsl": {
    "h": 239.091,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.51866,
    "c": 0.1949,
    "h": 276.5
  },
  "luminance": 0.1274
}

Semantic roles & 50–950 ramp

primary

#5153D5

secondary

#DBDBA6

accent

#E244E4

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #5153D5

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

Preview Lab → · Contrast checker → · Palette generator →