#3C57CC#3C57CC

#3C57CC is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.6% C 0.184 H 269.0°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#3C57CC
RGB	rgb(60, 87, 204)
HSL	hsl(229, 59%, 52%)
HSV	hsv(229, 71%, 80%)
CMYK	cmyk(70.6%, 57.4%, 0%, 20%)
CIE-LAB	lab(41.43, 29.49, -63.67)
CIE-LCH	lch(41.43, 70.17, 294.85°)
OKLab	oklab(50.63% -0.0033 -0.1835)
OKLCH	oklch(50.63% 0.184 269)
XYZ	xyz(16.1670, 12.1350, 58.6053)
Luminance	0.1214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C57CC #CCB13C

analogous

#3C9FCC #3C57CC #693CCC

triadic

#3C57CC #CC3C57 #57CC3C

tetradic

#3C57CC #CC3C9F #CCB13C #3CCC69

square

#3C57CC #CC3C9F #CCB13C #3CCC69

split-complementary

#3C57CC #CC693C #9FCC3C

monochromatic

#1D2D70 #2A40A1 #3C57CC #6D81D9 #9DABE5

Accessibility & contrast

On white

6.13

#3C57CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#3C57CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C57CC

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C57CC	#FFFFFF	#000000	##FFFFFF
##3C57CC	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D0

Deuteranopia (green-blind)

#005BCA

Tritanopia (blue-blind)

#007489

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3c57cc;
/* rgb */ color: rgb(60, 87, 204);
/* oklch */ color: oklch(50.6% 0.184 269.0);

Tailwind

colors: {
  custom: {
    50: '#8486dc',
    500: '#3c57cc',
    950: '#000000',
  },
}

SCSS

$custom: #3c57cc;
$custom-light: #8486dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3c57cc",
  "rgb": {
    "r": 60,
    "g": 87,
    "b": 204
  },
  "hsl": {
    "h": 228.75,
    "s": 58.537,
    "l": 51.765
  },
  "oklch": {
    "l": 0.50632,
    "c": 0.18356,
    "h": 269
  },
  "luminance": 0.12137
}

Semantic roles & 50–950 ramp

primary

#3C57CC

secondary

#D1C692

accent

#C546E2

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3C57CC

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

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