#5451DD#5451DD

#5451DD is a mid, highly saturated blue. Relative luminance 0.130; OKLCH L 52.4% C 0.207 H 277.5°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#5451DD
RGB	rgb(84, 81, 221)
HSL	hsl(241, 67%, 59%)
HSV	hsv(241, 63%, 87%)
CMYK	cmyk(62%, 63.3%, 0%, 13.3%)
CIE-LAB	lab(42.75, 42.41, -71.22)
CIE-LCH	lch(42.75, 82.89, 300.78°)
OKLab	oklab(52.39% 0.0269 -0.2052)
OKLCH	oklch(52.39% 0.207 277.5)
XYZ	xyz(19.6455, 12.9886, 69.8644)
Luminance	0.1299 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5451DD #DADD51

analogous

#5194DD #5451DD #9A51DD

triadic

#5451DD #DD5451 #51DD54

tetradic

#5451DD #DD5194 #DADD51 #51DD9A

square

#5451DD #DD5194 #DADD51 #51DD9A

split-complementary

#5451DD #DD9A51 #94DD51

monochromatic

#201D96 #2B27C9 #5451DD #8684E7 #B9B7F1

Accessibility & contrast

On white

5.84

#5451DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#5451DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5451DD

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5451DD	#FFFFFF	#000000	##FFFFFF
##5451DD	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BE1

Deuteranopia (green-blind)

#005FDA

Tritanopia (blue-blind)

#007590

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5451dd;
/* rgb */ color: rgb(84, 81, 221);
/* oklch */ color: oklch(52.4% 0.207 277.5);

Tailwind

colors: {
  custom: {
    50: '#9282e9',
    500: '#5451dd',
    950: '#000000',
  },
}

SCSS

$custom: #5451dd;
$custom-light: #9282e9;
$custom-dark: #000000;

JSON

{
  "hex": "#5451dd",
  "rgb": {
    "r": 84,
    "g": 81,
    "b": 221
  },
  "hsl": {
    "h": 241.286,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.52394,
    "c": 0.20691,
    "h": 277.5
  },
  "luminance": 0.1299
}

Semantic roles & 50–950 ramp

primary

#5451DD

secondary

#DFE0AA

accent

#EA3EE6

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #5451DD

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

Preview Lab → · Contrast checker → · Palette generator →