#5153D8#5153D8

#5153D8 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 52.1% C 0.199 H 276.4°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#5153D8
RGB	rgb(81, 83, 216)
HSL	hsl(239, 63%, 58%)
HSV	hsv(239, 63%, 85%)
CMYK	cmyk(62.5%, 61.6%, 0%, 15.3%)
CIE-LAB	lab(42.60, 39.13, -68.61)
CIE-LCH	lch(42.60, 78.98, 299.70°)
OKLab	oklab(52.11% 0.022 -0.1976)
OKLCH	oklch(52.11% 0.199 276.4)
XYZ	xyz(18.8772, 12.8922, 66.4461)
Luminance	0.1289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5153D8 #D8D651

analogous

#5196D8 #5153D8 #9251D8

triadic

#5153D8 #D85153 #53D851

tetradic

#5153D8 #D85196 #D8D651 #51D892

square

#5153D8 #D85196 #D8D651 #51D892

split-complementary

#5153D8 #D89251 #96D851

monochromatic

#20228F #2B2DC1 #5153D8 #8384E3 #B5B6EE

Accessibility & contrast

On white

5.87

#5153D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#5153D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5153D8

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5153D8	#FFFFFF	#000000	##FFFFFF
##5153D8	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ADC

Deuteranopia (green-blind)

#005FD5

Tritanopia (blue-blind)

#00748E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5153d8;
/* rgb */ color: rgb(81, 83, 216);
/* oklch */ color: oklch(52.1% 0.199 276.4);

Tailwind

colors: {
  custom: {
    50: '#9083e5',
    500: '#5153d8',
    950: '#000000',
  },
}

SCSS

$custom: #5153d8;
$custom-light: #9083e5;
$custom-dark: #000000;

JSON

{
  "hex": "#5153d8",
  "rgb": {
    "r": 81,
    "g": 83,
    "b": 216
  },
  "hsl": {
    "h": 239.111,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.52111,
    "c": 0.19879,
    "h": 276.4
  },
  "luminance": 0.12894
}

Semantic roles & 50–950 ramp

primary

#5153D8

secondary

#DDDCA8

accent

#E441E6

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5153D8

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

Preview Lab → · Contrast checker → · Palette generator →