#5150DD#5150DD

#5150DD is a mid, highly saturated blue. Relative luminance 0.127; OKLCH L 52.0% C 0.209 H 276.6°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#5150DD
RGB	rgb(81, 80, 221)
HSL	hsl(240, 67%, 59%)
HSV	hsv(240, 64%, 87%)
CMYK	cmyk(63.3%, 63.8%, 0%, 13.3%)
CIE-LAB	lab(42.32, 42.57, -71.93)
CIE-LCH	lch(42.32, 83.58, 300.62°)
OKLab	oklab(52.03% 0.0241 -0.2073)
OKLCH	oklch(52.03% 0.209 276.6)
XYZ	xyz(19.3089, 12.7055, 69.8275)
Luminance	0.1271 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5150DD #DCDD50

analogous

#5095DD #5150DD #9850DD

triadic

#5150DD #DD5150 #50DD51

tetradic

#5150DD #DD5095 #DCDD50 #50DD98

square

#5150DD #DD5095 #DCDD50 #50DD98

split-complementary

#5150DD #DD9850 #95DD50

monochromatic

#1E1D96 #2827C9 #5150DD #8483E7 #B7B6F1

Accessibility & contrast

On white

5.93

#5150DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#5150DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5150DD

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5150DD	#FFFFFF	#000000	##FFFFFF
##5150DD	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AE1

Deuteranopia (green-blind)

#005EDA

Tritanopia (blue-blind)

#00748F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #5150dd;
/* rgb */ color: rgb(81, 80, 221);
/* oklch */ color: oklch(52.0% 0.209 276.6);

Tailwind

colors: {
  custom: {
    50: '#9181e9',
    500: '#5150dd',
    950: '#000000',
  },
}

SCSS

$custom: #5150dd;
$custom-light: #9181e9;
$custom-dark: #000000;

JSON

{
  "hex": "#5150dd",
  "rgb": {
    "r": 81,
    "g": 80,
    "b": 221
  },
  "hsl": {
    "h": 240.426,
    "s": 67.464,
    "l": 59.02
  },
  "oklch": {
    "l": 0.52027,
    "c": 0.20873,
    "h": 276.6
  },
  "luminance": 0.12707
}

Semantic roles & 50–950 ramp

primary

#5150DD

secondary

#E0E0A9

accent

#EA3DE9

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #5150DD

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

Preview Lab → · Contrast checker → · Palette generator →