#5451CC#5451CC

#5451CC is a mid, vivid blue. Relative luminance 0.121; OKLCH L 51.0% C 0.185 H 278.7°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#5451CC
RGB	rgb(84, 81, 204)
HSL	hsl(241, 55%, 56%)
HSV	hsv(241, 60%, 80%)
CMYK	cmyk(58.8%, 60.3%, 0%, 20%)
CIE-LAB	lab(41.42, 36.92, -63.62)
CIE-LCH	lch(41.42, 73.56, 300.13°)
OKLab	oklab(51.01% 0.0279 -0.1829)
OKLCH	oklch(51.01% 0.185 278.7)
XYZ	xyz(17.4942, 12.1281, 58.5341)
Luminance	0.1213 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5451CC #C9CC51

analogous

#518BCC #5451CC #9151CC

triadic

#5451CC #CC5451 #51CC54

tetradic

#5451CC #CC518B #C9CC51 #51CC91

square

#5451CC #CC518B #C9CC51 #51CC91

split-complementary

#5451CC #CC9151 #8BCC51

monochromatic

#27257E #3633AD #5451CC #8380DA #B1B0E8

Accessibility & contrast

On white

6.13

#5451CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#5451CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5451CC

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5451CC	#FFFFFF	#000000	##FFFFFF
##5451CC	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D0

Deuteranopia (green-blind)

#005DCA

Tritanopia (blue-blind)

#006F87

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #5451cc;
/* rgb */ color: rgb(84, 81, 204);
/* oklch */ color: oklch(51.0% 0.185 278.7);

Tailwind

colors: {
  custom: {
    50: '#8f82dc',
    500: '#5451cc',
    950: '#000000',
  },
}

SCSS

$custom: #5451cc;
$custom-light: #8f82dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5451cc",
  "rgb": {
    "r": 84,
    "g": 81,
    "b": 204
  },
  "hsl": {
    "h": 241.463,
    "s": 54.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.51008,
    "c": 0.18497,
    "h": 278.7
  },
  "luminance": 0.12129
}

Semantic roles & 50–950 ramp

primary

#5451CC

secondary

#D5D6A3

accent

#DE4ADA

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #5451CC

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

Preview Lab → · Contrast checker → · Palette generator →