#5F57BC#5F57BC

#5F57BC is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.7% C 0.154 H 283.2°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#5F57BC
RGB	rgb(95, 87, 188)
HSL	hsl(245, 43%, 54%)
HSV	hsv(245, 54%, 74%)
CMYK	cmyk(49.5%, 53.7%, 0%, 26.3%)
CIE-LAB	lab(42.58, 30.32, -52.42)
CIE-LCH	lch(42.58, 60.55, 300.05°)
OKLab	oklab(51.73% 0.0351 -0.1495)
OKLCH	oklch(51.73% 0.154 283.2)
XYZ	xyz(17.2019, 12.8792, 49.1467)
Luminance	0.1288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F57BC #B4BC57

analogous

#5782BC #5F57BC #9257BC

triadic

#5F57BC #BC5F57 #57BC5F

tetradic

#5F57BC #BC5782 #B4BC57 #57BC92

square

#5F57BC #BC5782 #B4BC57 #57BC92

split-complementary

#5F57BC #BC9257 #82BC57

monochromatic

#312C6D #443D99 #5F57BC #8983CD #B2AFDF

Accessibility & contrast

On white

5.87

#5F57BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#5F57BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5F57BC

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F57BC	#FFFFFF	#000000	##FFFFFF
##5F57BC	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2068BF

Deuteranopia (green-blind)

#1861BA

Tritanopia (blue-blind)

#3D6D81

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5f57bc;
/* rgb */ color: rgb(95, 87, 188);
/* oklch */ color: oklch(51.7% 0.154 283.2);

Tailwind

colors: {
  custom: {
    50: '#9386d1',
    500: '#5f57bc',
    950: '#000000',
  },
}

SCSS

$custom: #5f57bc;
$custom-light: #9386d1;
$custom-dark: #000000;

JSON

{
  "hex": "#5f57bc",
  "rgb": {
    "r": 95,
    "g": 87,
    "b": 188
  },
  "hsl": {
    "h": 244.752,
    "s": 42.979,
    "l": 53.922
  },
  "oklch": {
    "l": 0.51725,
    "c": 0.15361,
    "h": 283.2
  },
  "luminance": 0.1288
}

Semantic roles & 50–950 ramp

primary

#5F57BC

secondary

#CACDA2

accent

#D355C9

background

#F9F8FC

surface

#F2EFF9

border

#CCCAD2

text

#0E0B14

muted

#7E7C82

Preview Lab

Preview with #5F57BC

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

Preview Lab → · Contrast checker → · Palette generator →