#5F57CA#5F57CA

#5F57CA is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.7% C 0.173 H 281.8°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#5F57CA
RGB	rgb(95, 87, 202)
HSL	hsl(244, 52%, 57%)
HSV	hsv(244, 57%, 79%)
CMYK	cmyk(53%, 56.9%, 0%, 20.8%)
CIE-LAB	lab(43.53, 34.67, -59.01)
CIE-LCH	lch(43.53, 68.44, 300.43°)
OKLab	oklab(52.73% 0.0354 -0.1689)
OKLCH	oklch(52.73% 0.173 281.8)
XYZ	xyz(18.7849, 13.5125, 57.4840)
Luminance	0.1351 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F57CA #C2CA57

analogous

#5789CA #5F57CA #9957CA

triadic

#5F57CA #CA5F57 #57CA5F

tetradic

#5F57CA #CA5789 #C2CA57 #57CA99

square

#5F57CA #CA5789 #C2CA57 #57CA99

split-complementary

#5F57CA #CA9957 #89CA57

monochromatic

#2E287F #3F37AD #5F57CA #8B86D9 #B8B4E7

Accessibility & contrast

On white

5.67

#5F57CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#5F57CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5F57CA

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F57CA	#FFFFFF	#000000	##FFFFFF
##5F57CA	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BCE

Deuteranopia (green-blind)

#0063C8

Tritanopia (blue-blind)

#317288

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5f57ca;
/* rgb */ color: rgb(95, 87, 202);
/* oklch */ color: oklch(52.7% 0.173 281.8);

Tailwind

colors: {
  custom: {
    50: '#9586db',
    500: '#5f57ca',
    950: '#000000',
  },
}

SCSS

$custom: #5f57ca;
$custom-light: #9586db;
$custom-dark: #000000;

JSON

{
  "hex": "#5f57ca",
  "rgb": {
    "r": 95,
    "g": 87,
    "b": 202
  },
  "hsl": {
    "h": 244.174,
    "s": 52.036,
    "l": 56.667
  },
  "oklch": {
    "l": 0.52728,
    "c": 0.17262,
    "h": 281.8
  },
  "luminance": 0.13514
}

Semantic roles & 50–950 ramp

primary

#5F57CA

secondary

#D3D6A7

accent

#DB4CD2

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5F57CA

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

Preview Lab → · Contrast checker → · Palette generator →