#5457CC#5457CC

#5457CC is a mid, vivid blue. Relative luminance 0.131; OKLCH L 52.1% C 0.177 H 277.2°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#5457CC
RGB	rgb(84, 87, 204)
HSL	hsl(239, 54%, 56%)
HSV	hsv(239, 59%, 80%)
CMYK	cmyk(58.8%, 57.4%, 0%, 20%)
CIE-LAB	lab(42.85, 33.24, -61.30)
CIE-LCH	lch(42.85, 69.73, 298.47°)
OKLab	oklab(52.07% 0.0222 -0.176)
OKLCH	oklch(52.07% 0.177 277.2)
XYZ	xyz(17.9599, 13.0595, 58.6894)
Luminance	0.1306 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5457CC #CCC954

analogous

#5493CC #5457CC #8D54CC

triadic

#5457CC #CC5457 #57CC54

tetradic

#5457CC #CC5493 #CCC954 #54CC8D

square

#5457CC #CC5493 #CCC954 #54CC8D

split-complementary

#5457CC #CC8D54 #93CC54

monochromatic

#262880 #3437AF #5457CC #8385DA #B2B4E8

Accessibility & contrast

On white

5.81

#5457CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#5457CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5457CC

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5457CC	#FFFFFF	#000000	##FFFFFF
##5457CC	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD0

Deuteranopia (green-blind)

#0060CA

Tritanopia (blue-blind)

#007389

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5457cc;
/* rgb */ color: rgb(84, 87, 204);
/* oklch */ color: oklch(52.1% 0.177 277.2);

Tailwind

colors: {
  custom: {
    50: '#8f86dc',
    500: '#5457cc',
    950: '#000000',
  },
}

SCSS

$custom: #5457cc;
$custom-light: #8f86dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5457cc",
  "rgb": {
    "r": 84,
    "g": 87,
    "b": 204
  },
  "hsl": {
    "h": 238.5,
    "s": 54.054,
    "l": 56.471
  },
  "oklch": {
    "l": 0.52067,
    "c": 0.17736,
    "h": 277.2
  },
  "luminance": 0.13061
}

Semantic roles & 50–950 ramp

primary

#5457CC

secondary

#D7D5A5

accent

#DA4ADD

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #5457CC

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

Preview Lab → · Contrast checker → · Palette generator →