#5153E0#5153E0

#5153E0 is a mid, highly saturated blue. Relative luminance 0.133; OKLCH L 52.8% C 0.209 H 275.9°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#5153E0
RGB	rgb(81, 83, 224)
HSL	hsl(239, 70%, 60%)
HSV	hsv(239, 64%, 88%)
CMYK	cmyk(63.8%, 62.9%, 0%, 12.2%)
CIE-LAB	lab(43.24, 41.76, -72.13)
CIE-LCH	lch(43.24, 83.35, 300.06°)
OKLab	oklab(52.77% 0.0215 -0.2079)
OKLCH	oklch(52.77% 0.209 275.9)
XYZ	xyz(19.9367, 13.3160, 72.0262)
Luminance	0.1332 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5153E0 #E0DE51

analogous

#519AE0 #5153E0 #9751E0

triadic

#5153E0 #E05153 #53E051

tetradic

#5153E0 #E0519A #E0DE51 #51E097

square

#5153E0 #E0519A #E0DE51 #51E097

split-complementary

#5153E0 #E09751 #9AE051

monochromatic

#1C1D9B #2527CF #5153E0 #8586E9 #B9BAF3

Accessibility & contrast

On white

5.73

#5153E0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#5153E0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5153E0

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5153E0	#FFFFFF	#000000	##FFFFFF
##5153E0	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CE5

Deuteranopia (green-blind)

#0060DD

Tritanopia (blue-blind)

#007792

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #5153e0;
/* rgb */ color: rgb(81, 83, 224);
/* oklch */ color: oklch(52.8% 0.209 275.9);

Tailwind

colors: {
  custom: {
    50: '#9184eb',
    500: '#5153e0',
    950: '#000000',
  },
}

SCSS

$custom: #5153e0;
$custom-light: #9184eb;
$custom-dark: #000000;

JSON

{
  "hex": "#5153e0",
  "rgb": {
    "r": 81,
    "g": 83,
    "b": 224
  },
  "hsl": {
    "h": 239.161,
    "s": 69.756,
    "l": 59.804
  },
  "oklch": {
    "l": 0.52774,
    "c": 0.20903,
    "h": 275.9
  },
  "luminance": 0.13318
}

Semantic roles & 50–950 ramp

primary

#5153E0

secondary

#E2E1AB

accent

#EA3BED

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5153E0

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

Preview Lab → · Contrast checker → · Palette generator →