#5750CB#5750CB

#5750CB is a mid, vivid blue. Relative luminance 0.121; OKLCH L 51.0% C 0.184 H 280.2°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#5750CB
RGB	rgb(87, 80, 203)
HSL	hsl(243, 54%, 55%)
HSV	hsv(243, 61%, 80%)
CMYK	cmyk(57.1%, 60.6%, 0%, 20.4%)
CIE-LAB	lab(41.33, 37.73, -63.17)
CIE-LCH	lch(41.33, 73.58, 300.84°)
OKLab	oklab(50.98% 0.0325 -0.1815)
OKLCH	oklch(50.98% 0.184 280.2)
XYZ	xyz(17.5752, 12.0742, 57.8928)
Luminance	0.1207 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5750CB #C4CB50

analogous

#5086CB #5750CB #9550CB

triadic

#5750CB #CB5750 #50CB57

tetradic

#5750CB #CB5086 #C4CB50 #50CB95

square

#5750CB #CB5086 #C4CB50 #50CB95

split-complementary

#5750CB #CB9550 #86CB50

monochromatic

#2A257C #3A33AB #5750CB #847FD9 #B2AEE7

Accessibility & contrast

On white

6.15

#5750CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#5750CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5750CB

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5750CB	#FFFFFF	#000000	##FFFFFF
##5750CB	1.00	6.15	3.42	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CF

Deuteranopia (green-blind)

#005DC9

Tritanopia (blue-blind)

#136E86

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #5750cb;
/* rgb */ color: rgb(87, 80, 203);
/* oklch */ color: oklch(51.0% 0.184 280.2);

Tailwind

colors: {
  custom: {
    50: '#9181dc',
    500: '#5750cb',
    950: '#000000',
  },
}

SCSS

$custom: #5750cb;
$custom-light: #9181dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5750cb",
  "rgb": {
    "r": 87,
    "g": 80,
    "b": 203
  },
  "hsl": {
    "h": 243.415,
    "s": 54.185,
    "l": 55.49
  },
  "oklch": {
    "l": 0.50978,
    "c": 0.18435,
    "h": 280.2
  },
  "luminance": 0.12075
}

Semantic roles & 50–950 ramp

primary

#5750CB

secondary

#D2D5A2

accent

#DE4AD5

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #5750CB

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

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