#5451CD#5451CD

#5451CD is a mid, vivid blue. Relative luminance 0.122; OKLCH L 51.1% C 0.186 H 278.6°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#5451CD
RGB	rgb(84, 81, 205)
HSL	hsl(241, 55%, 56%)
HSV	hsv(241, 60%, 80%)
CMYK	cmyk(59%, 60.5%, 0%, 19.6%)
CIE-LAB	lab(41.49, 37.24, -64.08)
CIE-LCH	lch(41.49, 74.12, 300.17°)
OKLab	oklab(51.09% 0.0278 -0.1842)
OKLCH	oklch(51.09% 0.186 278.6)
XYZ	xyz(17.6145, 12.1762, 59.1678)
Luminance	0.1218 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5451CD #CACD51

analogous

#518CCD #5451CD #9251CD

triadic

#5451CD #CD5451 #51CD54

tetradic

#5451CD #CD518C #CACD51 #51CD92

square

#5451CD #CD518C #CACD51 #51CD92

split-complementary

#5451CD #CD9251 #8CCD51

monochromatic

#27257F #3532AF #5451CD #8381DB #B1B0E8

Accessibility & contrast

On white

6.11

#5451CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#5451CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5451CD

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5451CD	#FFFFFF	#000000	##FFFFFF
##5451CD	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D1

Deuteranopia (green-blind)

#005DCB

Tritanopia (blue-blind)

#006F87

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #5451cd;
/* rgb */ color: rgb(84, 81, 205);
/* oklch */ color: oklch(51.1% 0.186 278.6);

Tailwind

colors: {
  custom: {
    50: '#9082dd',
    500: '#5451cd',
    950: '#000000',
  },
}

SCSS

$custom: #5451cd;
$custom-light: #9082dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5451cd",
  "rgb": {
    "r": 84,
    "g": 81,
    "b": 205
  },
  "hsl": {
    "h": 241.452,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.51087,
    "c": 0.18629,
    "h": 278.6
  },
  "luminance": 0.12177
}

Semantic roles & 50–950 ramp

primary

#5451CD

secondary

#D5D7A3

accent

#DF49DB

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #5451CD

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

Preview Lab → · Contrast checker → · Palette generator →