#5457CB#5457CB

#5457CB is a mid, vivid blue. Relative luminance 0.130; OKLCH L 52.0% C 0.176 H 277.2°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#5457CB
RGB	rgb(84, 87, 203)
HSL	hsl(238, 53%, 56%)
HSV	hsv(238, 59%, 80%)
CMYK	cmyk(58.6%, 57.1%, 0%, 20.4%)
CIE-LAB	lab(42.78, 32.91, -60.84)
CIE-LCH	lch(42.78, 69.17, 298.42°)
OKLab	oklab(51.99% 0.0222 -0.1746)
OKLCH	oklch(51.99% 0.176 277.2)
XYZ	xyz(17.8404, 13.0117, 58.0597)
Luminance	0.1301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5457CB #CBC854

analogous

#5493CB #5457CB #8D54CB

triadic

#5457CB #CB5457 #57CB54

tetradic

#5457CB #CB5493 #CBC854 #54CB8D

square

#5457CB #CB5493 #CBC854 #54CB8D

split-complementary

#5457CB #CB8D54 #93CB54

monochromatic

#26297E #3538AD #5457CB #8385D9 #B2B3E8

Accessibility & contrast

On white

5.83

#5457CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#5457CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5457CB

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5457CB	#FFFFFF	#000000	##FFFFFF
##5457CB	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACF

Deuteranopia (green-blind)

#0060C9

Tritanopia (blue-blind)

#007388

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5457cb;
/* rgb */ color: rgb(84, 87, 203);
/* oklch */ color: oklch(52.0% 0.176 277.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#5457cb",
  "rgb": {
    "r": 84,
    "g": 87,
    "b": 203
  },
  "hsl": {
    "h": 238.487,
    "s": 53.363,
    "l": 56.275
  },
  "oklch": {
    "l": 0.51991,
    "c": 0.17602,
    "h": 277.2
  },
  "luminance": 0.13013
}

Semantic roles & 50–950 ramp

primary

#5457CB

secondary

#D6D5A5

accent

#D94BDD

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #5457CB

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

Preview Lab → · Contrast checker → · Palette generator →