#5457CF#5457CF

#5457CF is a mid, vivid blue. Relative luminance 0.132; OKLCH L 52.3% C 0.181 H 277.0°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#5457CF
RGB	rgb(84, 87, 207)
HSL	hsl(239, 56%, 57%)
HSV	hsv(239, 59%, 81%)
CMYK	cmyk(59.4%, 58%, 0%, 18.8%)
CIE-LAB	lab(43.07, 34.23, -62.67)
CIE-LCH	lch(43.07, 71.41, 298.64°)
OKLab	oklab(52.3% 0.0222 -0.18)
OKLCH	oklch(52.3% 0.181 277)
XYZ	xyz(18.3232, 13.2048, 60.6026)
Luminance	0.1321 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5457CF #CFCC54

analogous

#5494CF #5457CF #8F54CF

triadic

#5457CF #CF5457 #57CF54

tetradic

#5457CF #CF5494 #CFCC54 #54CF8F

square

#5457CF #CF5494 #CFCC54 #54CF8F

split-complementary

#5457CF #CF8F54 #94CF54

monochromatic

#252784 #3236B3 #5457CF #8486DC #B4B5EA

Accessibility & contrast

On white

5.77

#5457CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#5457CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5457CF

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5457CF	#FFFFFF	#000000	##FFFFFF
##5457CF	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD3

Deuteranopia (green-blind)

#0061CD

Tritanopia (blue-blind)

#00748A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #5457cf;
/* rgb */ color: rgb(84, 87, 207);
/* oklch */ color: oklch(52.3% 0.181 277.0);

Tailwind

colors: {
  custom: {
    50: '#9086de',
    500: '#5457cf',
    950: '#000000',
  },
}

SCSS

$custom: #5457cf;
$custom-light: #9086de;
$custom-dark: #000000;

JSON

{
  "hex": "#5457cf",
  "rgb": {
    "r": 84,
    "g": 87,
    "b": 207
  },
  "hsl": {
    "h": 238.537,
    "s": 56.164,
    "l": 57.059
  },
  "oklch": {
    "l": 0.52297,
    "c": 0.18137,
    "h": 277
  },
  "luminance": 0.13206
}

Semantic roles & 50–950 ramp

primary

#5457CF

secondary

#D8D7A6

accent

#DC48DF

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5457CF

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

Preview Lab → · Contrast checker → · Palette generator →