#5153DB#5153DB

#5153DB is a mid, highly saturated blue. Relative luminance 0.131; OKLCH L 52.4% C 0.203 H 276.2°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#5153DB
RGB	rgb(81, 83, 219)
HSL	hsl(239, 66%, 59%)
HSV	hsv(239, 63%, 86%)
CMYK	cmyk(63%, 62.1%, 0%, 14.1%)
CIE-LAB	lab(42.84, 40.12, -69.94)
CIE-LCH	lch(42.84, 80.63, 299.84°)
OKLab	oklab(52.36% 0.0218 -0.2015)
OKLCH	oklch(52.36% 0.203 276.2)
XYZ	xyz(19.2686, 13.0487, 68.5073)
Luminance	0.1305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5153DB #DBD951

analogous

#5198DB #5153DB #9451DB

triadic

#5153DB #DB5153 #53DB51

tetradic

#5153DB #DB5198 #DBD951 #51DB94

square

#5153DB #DB5198 #DBD951 #51DB94

split-complementary

#5153DB #DB9451 #98DB51

monochromatic

#1E2093 #292BC6 #5153DB #8485E5 #B6B7F0

Accessibility & contrast

On white

5.82

#5153DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#5153DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5153DB

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5153DB	#FFFFFF	#000000	##FFFFFF
##5153DB	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BDF

Deuteranopia (green-blind)

#005FD8

Tritanopia (blue-blind)

#00758F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5153db;
/* rgb */ color: rgb(81, 83, 219);
/* oklch */ color: oklch(52.4% 0.203 276.2);

Tailwind

colors: {
  custom: {
    50: '#9083e7',
    500: '#5153db',
    950: '#000000',
  },
}

SCSS

$custom: #5153db;
$custom-light: #9083e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5153db",
  "rgb": {
    "r": 81,
    "g": 83,
    "b": 219
  },
  "hsl": {
    "h": 239.13,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.52358,
    "c": 0.20265,
    "h": 276.2
  },
  "luminance": 0.1305
}

Semantic roles & 50–950 ramp

primary

#5153DB

secondary

#DFDEA9

accent

#E63FE9

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5153DB

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

Preview Lab → · Contrast checker → · Palette generator →