#5740CF#5740CF

#5740CF is a mid, highly saturated blue. Relative luminance 0.102; OKLCH L 48.8% C 0.209 H 282.8°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#5740CF
RGB	rgb(87, 64, 207)
HSL	hsl(250, 60%, 53%)
HSV	hsv(250, 69%, 81%)
CMYK	cmyk(58%, 69.1%, 0%, 18.8%)
CIE-LAB	lab(38.19, 48.25, -70.61)
CIE-LCH	lch(38.19, 85.52, 304.34°)
OKLab	oklab(48.8% 0.0462 -0.2033)
OKLCH	oklch(48.8% 0.209 282.8)
XYZ	xyz(17.0229, 10.1969, 60.0906)
Luminance	0.1020 (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

#5740CF #B8CF40

analogous

#4070CF #5740CF #9E40CF

triadic

#5740CF #CF5740 #40CF57

tetradic

#5740CF #CF4070 #B8CF40 #40CF9E

square

#5740CF #CF4070 #B8CF40 #40CF9E

split-complementary

#5740CF #CF9E40 #70CF40

monochromatic

#2C1E77 #3E2AA8 #5740CF #8271DB #ADA2E8

Accessibility & contrast

On white

6.91

#5740CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#5740CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5740CF

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5740CF	#FFFFFF	#000000	##FFFFFF
##5740CF	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ED3

Deuteranopia (green-blind)

#0055CC

Tritanopia (blue-blind)

#0D6683

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #5740cf;
/* rgb */ color: rgb(87, 64, 207);
/* oklch */ color: oklch(48.8% 0.209 282.8);

Tailwind

colors: {
  custom: {
    50: '#9377df',
    500: '#5740cf',
    950: '#000000',
  },
}

SCSS

$custom: #5740cf;
$custom-light: #9377df;
$custom-dark: #000000;

JSON

{
  "hex": "#5740cf",
  "rgb": {
    "r": 87,
    "g": 64,
    "b": 207
  },
  "hsl": {
    "h": 249.65,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.488,
    "c": 0.20851,
    "h": 282.8
  },
  "luminance": 0.10198
}

Semantic roles & 50–950 ramp

primary

#5740CF

secondary

#CAD497

accent

#E345CA

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0915

muted

#7E7B83

Preview Lab

Preview with #5740CF

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

Preview Lab → · Contrast checker → · Palette generator →