#5153D9#5153D9

#5153D9 is a mid, highly saturated blue. Relative luminance 0.129; OKLCH L 52.2% C 0.200 H 276.3°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#5153D9
RGB	rgb(81, 83, 217)
HSL	hsl(239, 64%, 58%)
HSV	hsv(239, 63%, 85%)
CMYK	cmyk(62.7%, 61.8%, 0%, 14.9%)
CIE-LAB	lab(42.68, 39.46, -69.05)
CIE-LCH	lch(42.68, 79.53, 299.75°)
OKLab	oklab(52.19% 0.0219 -0.1989)
OKLCH	oklch(52.19% 0.2 276.3)
XYZ	xyz(19.0069, 12.9440, 67.1290)
Luminance	0.1295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5153D9 #D9D751

analogous

#5197D9 #5153D9 #9351D9

triadic

#5153D9 #D95153 #53D951

tetradic

#5153D9 #D95197 #D9D751 #51D993

square

#5153D9 #D95197 #D9D751 #51D993

split-complementary

#5153D9 #D99351 #97D951

monochromatic

#1F2190 #2A2DC2 #5153D9 #8385E4 #B5B6EF

Accessibility & contrast

On white

5.85

#5153D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#5153D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5153D9

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5153D9	#FFFFFF	#000000	##FFFFFF
##5153D9	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BDD

Deuteranopia (green-blind)

#005FD6

Tritanopia (blue-blind)

#00758E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5153d9;
/* rgb */ color: rgb(81, 83, 217);
/* oklch */ color: oklch(52.2% 0.200 276.3);

Tailwind

colors: {
  custom: {
    50: '#9083e6',
    500: '#5153d9',
    950: '#000000',
  },
}

SCSS

$custom: #5153d9;
$custom-light: #9083e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5153d9",
  "rgb": {
    "r": 81,
    "g": 83,
    "b": 217
  },
  "hsl": {
    "h": 239.118,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.52193,
    "c": 0.20008,
    "h": 276.3
  },
  "luminance": 0.12946
}

Semantic roles & 50–950 ramp

primary

#5153D9

secondary

#DEDDA8

accent

#E541E7

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5153D9

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

Preview Lab → · Contrast checker → · Palette generator →