#5F57BA#5F57BA

#5F57BA is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.6% C 0.151 H 283.4°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#5F57BA
RGB	rgb(95, 87, 186)
HSL	hsl(245, 42%, 54%)
HSV	hsv(245, 53%, 73%)
CMYK	cmyk(48.9%, 53.2%, 0%, 27.1%)
CIE-LAB	lab(42.45, 29.70, -51.46)
CIE-LCH	lch(42.45, 59.42, 300.00°)
OKLab	oklab(51.59% 0.035 -0.1467)
OKLCH	oklch(51.59% 0.151 283.4)
XYZ	xyz(16.9878, 12.7936, 48.0191)
Luminance	0.1279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F57BA #B2BA57

analogous

#5780BA #5F57BA #9057BA

triadic

#5F57BA #BA5F57 #57BA5F

tetradic

#5F57BA #BA5780 #B2BA57 #57BA90

square

#5F57BA #BA5780 #B2BA57 #57BA90

split-complementary

#5F57BA #BA9057 #80BA57

monochromatic

#312C6B #453E96 #5F57BA #8882CC #B2AEDE

Accessibility & contrast

On white

5.90

#5F57BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#5F57BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5F57BA

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F57BA	#FFFFFF	#000000	##FFFFFF
##5F57BA	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2367BD

Deuteranopia (green-blind)

#1D61B8

Tritanopia (blue-blind)

#3E6D80

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #5f57ba;
/* rgb */ color: rgb(95, 87, 186);
/* oklch */ color: oklch(51.6% 0.151 283.4);

Tailwind

colors: {
  custom: {
    50: '#9386cf',
    500: '#5f57ba',
    950: '#000000',
  },
}

SCSS

$custom: #5f57ba;
$custom-light: #9386cf;
$custom-dark: #000000;

JSON

{
  "hex": "#5f57ba",
  "rgb": {
    "r": 95,
    "g": 87,
    "b": 186
  },
  "hsl": {
    "h": 244.848,
    "s": 41.772,
    "l": 53.529
  },
  "oklch": {
    "l": 0.51586,
    "c": 0.15084,
    "h": 283.4
  },
  "luminance": 0.12794
}

Semantic roles & 50–950 ramp

primary

#5F57BA

secondary

#C8CCA1

accent

#D256C8

background

#F9F8FC

surface

#F2EFF9

border

#CCCAD2

text

#0D0B14

muted

#7E7C82

Preview Lab

Preview with #5F57BA

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

Preview Lab → · Contrast checker → · Palette generator →