#5740CC#5740CC

#5740CC is a mid, highly saturated blue. Relative luminance 0.101; OKLCH L 48.5% C 0.205 H 283.2°. Best body text is #FFFFFF at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#5740CC
RGB	rgb(87, 64, 204)
HSL	hsl(250, 58%, 53%)
HSV	hsv(250, 69%, 80%)
CMYK	cmyk(57.4%, 68.6%, 0%, 20%)
CIE-LAB	lab(37.93, 47.34, -69.30)
CIE-LCH	lch(37.93, 83.93, 304.34°)
OKLab	oklab(48.54% 0.0467 -0.1995)
OKLCH	oklch(48.54% 0.205 283.2)
XYZ	xyz(16.6596, 10.0516, 58.1773)
Luminance	0.1005 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5740CC #B5CC40

analogous

#406FCC #5740CC #9D40CC

triadic

#5740CC #CC5740 #40CC57

tetradic

#5740CC #CC406F #B5CC40 #40CC9D

square

#5740CC #CC406F #B5CC40 #40CC9D

split-complementary

#5740CC #CC9D40 #6FCC40

monochromatic

#2D1F73 #3F2CA3 #5740CC #8170D9 #ACA1E6

Accessibility & contrast

On white

6.98

#5740CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#5740CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5740CC

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5740CC	#FFFFFF	#000000	##FFFFFF
##5740CC	1.00	6.98	3.01	6.98
#FFFFFF	6.98	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ED0

Deuteranopia (green-blind)

#0055C9

Tritanopia (blue-blind)

#166581

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #5740cc;
/* rgb */ color: rgb(87, 64, 204);
/* oklch */ color: oklch(48.5% 0.205 283.2);

Tailwind

colors: {
  custom: {
    50: '#9277dd',
    500: '#5740cc',
    950: '#000000',
  },
}

SCSS

$custom: #5740cc;
$custom-light: #9277dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5740cc",
  "rgb": {
    "r": 87,
    "g": 64,
    "b": 204
  },
  "hsl": {
    "h": 249.857,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.48536,
    "c": 0.20487,
    "h": 283.2
  },
  "luminance": 0.10053
}

Semantic roles & 50–950 ramp

primary

#5740CC

secondary

#C8D295

accent

#E147C8

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0915

muted

#7E7B83

Preview Lab

Preview with #5740CC

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

Preview Lab → · Contrast checker → · Palette generator →