#5759CE#5759CE

#5759CE is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.8% C 0.177 H 277.7°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#5759CE
RGB	rgb(87, 89, 206)
HSL	hsl(239, 55%, 57%)
HSV	hsv(239, 58%, 81%)
CMYK	cmyk(57.8%, 56.8%, 0%, 19.2%)
CIE-LAB	lab(43.69, 33.20, -61.08)
CIE-LCH	lch(43.69, 69.52, 298.53°)
OKLab	oklab(52.79% 0.0238 -0.1752)
OKLCH	oklch(52.79% 0.177 277.7)
XYZ	xyz(18.6399, 13.6259, 60.0284)
Luminance	0.1363 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5759CE #CECC57

analogous

#5794CE #5759CE #9157CE

triadic

#5759CE #CE5759 #59CE57

tetradic

#5759CE #CE5794 #CECC57 #57CE91

square

#5759CE #CE5794 #CECC57 #57CE91

split-complementary

#5759CE #CE9157 #94CE57

monochromatic

#272884 #3436B3 #5759CE #8688DC #B6B7EA

Accessibility & contrast

On white

5.64

#5759CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#5759CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5759CE

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5759CE	#FFFFFF	#000000	##FFFFFF
##5759CE	1.00	5.64	3.73	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD2

Deuteranopia (green-blind)

#0062CC

Tritanopia (blue-blind)

#05758B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5759ce;
/* rgb */ color: rgb(87, 89, 206);
/* oklch */ color: oklch(52.8% 0.177 277.7);

Tailwind

colors: {
  custom: {
    50: '#9188de',
    500: '#5759ce',
    950: '#000000',
  },
}

SCSS

$custom: #5759ce;
$custom-light: #9188de;
$custom-dark: #000000;

JSON

{
  "hex": "#5759ce",
  "rgb": {
    "r": 87,
    "g": 89,
    "b": 206
  },
  "hsl": {
    "h": 238.992,
    "s": 54.839,
    "l": 57.451
  },
  "oklch": {
    "l": 0.52789,
    "c": 0.17683,
    "h": 277.7
  },
  "luminance": 0.13627
}

Semantic roles & 50–950 ramp

primary

#5759CE

secondary

#D8D8A8

accent

#DC4ADE

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5759CE

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

Preview Lab → · Contrast checker → · Palette generator →