#5451DB#5451DB

#5451DB is a mid, highly saturated blue. Relative luminance 0.129; OKLCH L 52.2% C 0.204 H 277.6°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#5451DB
RGB	rgb(84, 81, 219)
HSL	hsl(241, 66%, 59%)
HSV	hsv(241, 63%, 86%)
CMYK	cmyk(61.6%, 63%, 0%, 14.1%)
CIE-LAB	lab(42.59, 41.77, -70.34)
CIE-LCH	lch(42.59, 81.80, 300.70°)
OKLab	oklab(52.23% 0.027 -0.2026)
OKLCH	oklch(52.23% 0.204 277.6)
XYZ	xyz(19.3806, 12.8826, 68.4694)
Luminance	0.1288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5451DB #D8DB51

analogous

#5193DB #5451DB #9951DB

triadic

#5451DB #DB5451 #51DB54

tetradic

#5451DB #DB5193 #D8DB51 #51DB99

square

#5451DB #DB5193 #D8DB51 #51DB99

split-complementary

#5451DB #DB9951 #93DB51

monochromatic

#211E93 #2C29C6 #5451DB #8684E5 #B8B6F0

Accessibility & contrast

On white

5.87

#5451DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#5451DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5451DB

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5451DB	#FFFFFF	#000000	##FFFFFF
##5451DB	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ADF

Deuteranopia (green-blind)

#005FD8

Tritanopia (blue-blind)

#00748E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5451db;
/* rgb */ color: rgb(84, 81, 219);
/* oklch */ color: oklch(52.2% 0.204 277.6);

Tailwind

colors: {
  custom: {
    50: '#9282e7',
    500: '#5451db',
    950: '#000000',
  },
}

SCSS

$custom: #5451db;
$custom-light: #9282e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5451db",
  "rgb": {
    "r": 84,
    "g": 81,
    "b": 219
  },
  "hsl": {
    "h": 241.304,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.52227,
    "c": 0.20437,
    "h": 277.6
  },
  "luminance": 0.12884
}

Semantic roles & 50–950 ramp

primary

#5451DB

secondary

#DEDFA9

accent

#E93FE5

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #5451DB

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

Preview Lab → · Contrast checker → · Palette generator →