#5151DF#5151DF

#5151DF is a mid, highly saturated blue. Relative luminance 0.130; OKLCH L 52.4% C 0.210 H 276.3°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#5151DF
RGB	rgb(81, 81, 223)
HSL	hsl(240, 69%, 60%)
HSV	hsv(240, 64%, 87%)
CMYK	cmyk(63.7%, 63.7%, 0%, 12.5%)
CIE-LAB	lab(42.70, 42.62, -72.43)
CIE-LCH	lch(42.70, 84.04, 300.47°)
OKLab	oklab(52.36% 0.0232 -0.2088)
OKLCH	oklch(52.36% 0.21 276.3)
XYZ	xyz(19.6507, 12.9603, 71.2638)
Luminance	0.1296 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5151DF #DFDF51

analogous

#5198DF #5151DF #9851DF

triadic

#5151DF #DF5151 #51DF51

tetradic

#5151DF #DF5198 #DFDF51 #51DF98

square

#5151DF #DF5198 #DFDF51 #51DF98

split-complementary

#5151DF #DF9851 #98DF51

monochromatic

#1C1C99 #2626CD #5151DF #8585E9 #B8B8F2

Accessibility & contrast

On white

5.85

#5151DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#5151DF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5151DF

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5151DF	#FFFFFF	#000000	##FFFFFF
##5151DF	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)

#006BE4

Deuteranopia (green-blind)

#005FDC

Tritanopia (blue-blind)

#007591

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5151df;
/* rgb */ color: rgb(81, 81, 223);
/* oklch */ color: oklch(52.4% 0.210 276.3);

Tailwind

colors: {
  custom: {
    50: '#9182ea',
    500: '#5151df',
    950: '#000000',
  },
}

SCSS

$custom: #5151df;
$custom-light: #9182ea;
$custom-dark: #000000;

JSON

{
  "hex": "#5151df",
  "rgb": {
    "r": 81,
    "g": 81,
    "b": 223
  },
  "hsl": {
    "h": 240,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.5236,
    "c": 0.2101,
    "h": 276.3
  },
  "luminance": 0.12962
}

Semantic roles & 50–950 ramp

primary

#5151DF

secondary

#E1E1AA

accent

#EC3CEC

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #5151DF

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

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