#5758CC#5758CC

#5758CC is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.5% C 0.175 H 278.1°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#5758CC
RGB	rgb(87, 88, 204)
HSL	hsl(239, 53%, 57%)
HSV	hsv(239, 57%, 80%)
CMYK	cmyk(57.4%, 56.9%, 0%, 20%)
CIE-LAB	lab(43.31, 33.17, -60.55)
CIE-LCH	lch(43.31, 69.04, 298.71°)
OKLab	oklab(52.46% 0.0247 -0.1737)
OKLCH	oklch(52.46% 0.175 278.1)
XYZ	xyz(18.3158, 13.3640, 58.7294)
Luminance	0.1336 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5758CC #CCCB57

analogous

#5793CC #5758CC #9157CC

triadic

#5758CC #CC5758 #58CC57

tetradic

#5758CC #CC5793 #CCCB57 #57CC91

square

#5758CC #CC5793 #CCCB57 #57CC91

split-complementary

#5758CC #CC9157 #93CC57

monochromatic

#272881 #3637B0 #5758CC #8687DA #B5B5E9

Accessibility & contrast

On white

5.72

#5758CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#5758CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5758CC

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5758CC	#FFFFFF	#000000	##FFFFFF
##5758CC	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD0

Deuteranopia (green-blind)

#0062CA

Tritanopia (blue-blind)

#0E7389

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #5758cc;
/* rgb */ color: rgb(87, 88, 204);
/* oklch */ color: oklch(52.5% 0.175 278.1);

Tailwind

colors: {
  custom: {
    50: '#9187dc',
    500: '#5758cc',
    950: '#000000',
  },
}

SCSS

$custom: #5758cc;
$custom-light: #9187dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5758cc",
  "rgb": {
    "r": 87,
    "g": 88,
    "b": 204
  },
  "hsl": {
    "h": 239.487,
    "s": 53.425,
    "l": 57.059
  },
  "oklch": {
    "l": 0.52458,
    "c": 0.17544,
    "h": 278.1
  },
  "luminance": 0.13365
}

Semantic roles & 50–950 ramp

primary

#5758CC

secondary

#D7D7A8

accent

#DC4BDD

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5758CC

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

Preview Lab → · Contrast checker → · Palette generator →