#3C57CA#3C57CA

#3C57CA is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.5% C 0.181 H 268.9°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#3C57CA
RGB	rgb(60, 87, 202)
HSL	hsl(229, 57%, 51%)
HSV	hsv(229, 70%, 79%)
CMYK	cmyk(70.3%, 56.9%, 0%, 20.8%)
CIE-LAB	lab(41.28, 28.77, -62.76)
CIE-LCH	lch(41.28, 69.04, 294.63°)
OKLab	oklab(50.47% -0.0033 -0.1809)
OKLCH	oklch(50.47% 0.181 268.9)
XYZ	xyz(15.9287, 12.0397, 57.3501)
Luminance	0.1204 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C57CA #CAAF3C

analogous

#3C9ECA #3C57CA #683CCA

triadic

#3C57CA #CA3C57 #57CA3C

tetradic

#3C57CA #CA3C9E #CAAF3C #3CCA68

square

#3C57CA #CA3C9E #CAAF3C #3CCA68

split-complementary

#3C57CA #CA683C #9ECA3C

monochromatic

#1E2D6E #2B419E #3C57CA #6C80D7 #9CAAE4

Accessibility & contrast

On white

6.16

#3C57CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#3C57CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C57CA

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C57CA	#FFFFFF	#000000	##FFFFFF
##3C57CA	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068CE

Deuteranopia (green-blind)

#005BC8

Tritanopia (blue-blind)

#007388

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3c57ca;
/* rgb */ color: rgb(60, 87, 202);
/* oklch */ color: oklch(50.5% 0.181 268.9);

Tailwind

colors: {
  custom: {
    50: '#8386db',
    500: '#3c57ca',
    950: '#000000',
  },
}

SCSS

$custom: #3c57ca;
$custom-light: #8386db;
$custom-dark: #000000;

JSON

{
  "hex": "#3c57ca",
  "rgb": {
    "r": 60,
    "g": 87,
    "b": 202
  },
  "hsl": {
    "h": 228.592,
    "s": 57.258,
    "l": 51.373
  },
  "oklch": {
    "l": 0.50471,
    "c": 0.18089,
    "h": 268.9
  },
  "luminance": 0.12041
}

Semantic roles & 50–950 ramp

primary

#3C57CA

secondary

#D0C492

accent

#C347E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3C57CA

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

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