#5F63DB#5F63DB

#5F63DB is a mid, vivid blue. Relative luminance 0.165; OKLCH L 56.1% C 0.180 H 277.5°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#5F63DB
RGB	rgb(95, 99, 219)
HSL	hsl(238, 63%, 62%)
HSV	hsv(238, 57%, 86%)
CMYK	cmyk(56.6%, 54.8%, 0%, 14.1%)
CIE-LAB	lab(47.58, 32.75, -62.18)
CIE-LCH	lch(47.58, 70.28, 297.78°)
OKLab	oklab(56.12% 0.0234 -0.1782)
OKLCH	oklch(56.12% 0.18 277.5)
XYZ	xyz(21.9633, 16.4695, 69.0257)
Luminance	0.1647 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F63DB #DBD75F

analogous

#5FA1DB #5F63DB #995FDB

triadic

#5F63DB #DB5F63 #63DB5F

tetradic

#5F63DB #DB5FA1 #DBD75F #5FDB99

square

#5F63DB #DB5FA1 #DBD75F #5FDB99

split-complementary

#5F63DB #DB995F #A1DB5F

monochromatic

#23279C #2E34CE #5F63DB #9194E6 #C3C4F1

Accessibility & contrast

On white

4.89

#5F63DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#5F63DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5F63DB

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F63DB	#FFFFFF	#000000	##FFFFFF
##5F63DB	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C76DF

Deuteranopia (green-blind)

#006CD9

Tritanopia (blue-blind)

#157F95

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #5f63db;
/* rgb */ color: rgb(95, 99, 219);
/* oklch */ color: oklch(56.1% 0.180 277.5);

Tailwind

colors: {
  custom: {
    50: '#978fe7',
    500: '#5f63db',
    950: '#000000',
  },
}

SCSS

$custom: #5f63db;
$custom-light: #978fe7;
$custom-dark: #000000;

JSON

{
  "hex": "#5f63db",
  "rgb": {
    "r": 95,
    "g": 99,
    "b": 219
  },
  "hsl": {
    "h": 238.065,
    "s": 63.265,
    "l": 61.569
  },
  "oklch": {
    "l": 0.56116,
    "c": 0.1797,
    "h": 277.5
  },
  "luminance": 0.16471
}

Semantic roles & 50–950 ramp

primary

#5F63DB

secondary

#E2E0B4

accent

#C51ACB

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5F63DB

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

Preview Lab → · Contrast checker → · Palette generator →