#5451C9#5451C9

#5451C9 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.8% C 0.181 H 278.9°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#5451C9
RGB	rgb(84, 81, 201)
HSL	hsl(242, 53%, 55%)
HSV	hsv(242, 60%, 79%)
CMYK	cmyk(58.2%, 59.7%, 0%, 21.2%)
CIE-LAB	lab(41.19, 35.95, -62.26)
CIE-LCH	lch(41.19, 71.89, 300.00°)
OKLab	oklab(50.77% 0.028 -0.1788)
OKLCH	oklch(50.77% 0.181 278.9)
XYZ	xyz(17.1379, 11.9855, 56.6574)
Luminance	0.1199 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5451C9 #C6C951

analogous

#518AC9 #5451C9 #9051C9

triadic

#5451C9 #C95451 #51C954

tetradic

#5451C9 #C9518A #C6C951 #51C990

square

#5451C9 #C9518A #C6C951 #51C990

split-complementary

#5451C9 #C99051 #8AC951

monochromatic

#28267A #3734A9 #5451C9 #8280D7 #B0AEE6

Accessibility & contrast

On white

6.18

#5451C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#5451C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5451C9

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5451C9	#FFFFFF	#000000	##FFFFFF
##5451C9	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CD

Deuteranopia (green-blind)

#005CC7

Tritanopia (blue-blind)

#026E85

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #5451c9;
/* rgb */ color: rgb(84, 81, 201);
/* oklch */ color: oklch(50.8% 0.181 278.9);

Tailwind

colors: {
  custom: {
    50: '#8f82da',
    500: '#5451c9',
    950: '#000000',
  },
}

SCSS

$custom: #5451c9;
$custom-light: #8f82da;
$custom-dark: #000000;

JSON

{
  "hex": "#5451c9",
  "rgb": {
    "r": 84,
    "g": 81,
    "b": 201
  },
  "hsl": {
    "h": 241.5,
    "s": 52.632,
    "l": 55.294
  },
  "oklch": {
    "l": 0.5077,
    "c": 0.18101,
    "h": 278.9
  },
  "luminance": 0.11987
}

Semantic roles & 50–950 ramp

primary

#5451C9

secondary

#D3D4A2

accent

#DC4CD8

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #5451C9

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

Preview Lab → · Contrast checker → · Palette generator →