#5F51DB#5F51DB

#5F51DB is a mid, highly saturated blue. Relative luminance 0.134; OKLCH L 53.0% C 0.202 H 281.6°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#5F51DB
RGB	rgb(95, 81, 219)
HSL	hsl(246, 66%, 59%)
HSV	hsv(246, 63%, 86%)
CMYK	cmyk(56.6%, 63%, 0%, 14.1%)
CIE-LAB	lab(43.41, 43.52, -68.96)
CIE-LCH	lch(43.41, 81.55, 302.25°)
OKLab	oklab(53.03% 0.0406 -0.1982)
OKLCH	oklch(53.03% 0.202 281.6)
XYZ	xyz(20.4439, 13.4309, 68.5192)
Luminance	0.1343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F51DB #CDDB51

analogous

#5188DB #5F51DB #A451DB

triadic

#5F51DB #DB5F51 #51DB5F

tetradic

#5F51DB #DB5188 #CDDB51 #51DBA4

square

#5F51DB #DB5188 #CDDB51 #51DBA4

split-complementary

#5F51DB #DBA451 #88DB51

monochromatic

#2A1E93 #3929C6 #5F51DB #8E84E5 #BCB6F0

Accessibility & contrast

On white

5.70

#5F51DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#5F51DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5F51DB

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F51DB	#FFFFFF	#000000	##FFFFFF
##5F51DB	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BDF

Deuteranopia (green-blind)

#0062D8

Tritanopia (blue-blind)

#1B738F

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5f51db;
/* rgb */ color: rgb(95, 81, 219);
/* oklch */ color: oklch(53.0% 0.202 281.6);

Tailwind

colors: {
  custom: {
    50: '#9883e7',
    500: '#5f51db',
    950: '#000000',
  },
}

SCSS

$custom: #5f51db;
$custom-light: #9883e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5f51db",
  "rgb": {
    "r": 95,
    "g": 81,
    "b": 219
  },
  "hsl": {
    "h": 246.087,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.53033,
    "c": 0.20235,
    "h": 281.6
  },
  "luminance": 0.13432
}

Semantic roles & 50–950 ramp

primary

#5F51DB

secondary

#DADFA9

accent

#E93FD7

background

#FAF8FE

surface

#F3EFFD

border

#CDCAD5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #5F51DB

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

Preview Lab → · Contrast checker → · Palette generator →