#3C57BC#3C57BC

#3C57BC is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.4% C 0.162 H 268.6°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#3C57BC
RGB	rgb(60, 87, 188)
HSL	hsl(227, 52%, 49%)
HSV	hsv(227, 68%, 74%)
CMYK	cmyk(68.1%, 53.7%, 0%, 26.3%)
CIE-LAB	lab(40.26, 23.73, -56.28)
CIE-LCH	lch(40.26, 61.08, 292.86°)
OKLab	oklab(49.38% -0.0041 -0.1618)
OKLCH	oklch(49.38% 0.162 268.6)
XYZ	xyz(14.3457, 11.4065, 49.0129)
Luminance	0.1141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C57BC #BCA13C

analogous

#3C97BC #3C57BC #613CBC

triadic

#3C57BC #BC3C57 #57BC3C

tetradic

#3C57BC #BC3C97 #BCA13C #3CBC61

square

#3C57BC #BC3C97 #BCA13C #3CBC61

split-complementary

#3C57BC #BC613C #97BC3C

monochromatic

#1E2C5F #2D428E #3C57BC #677DCE #95A4DD

Accessibility & contrast

On white

6.40

#3C57BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#3C57BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C57BC

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C57BC	#FFFFFF	#000000	##FFFFFF
##3C57BC	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D65C0

Deuteranopia (green-blind)

#0059BA

Tritanopia (blue-blind)

#006F81

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3c57bc;
/* rgb */ color: rgb(60, 87, 188);
/* oklch */ color: oklch(49.4% 0.162 268.6);

Tailwind

colors: {
  custom: {
    50: '#8186d1',
    500: '#3c57bc',
    950: '#000000',
  },
}

SCSS

$custom: #3c57bc;
$custom-light: #8186d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3c57bc",
  "rgb": {
    "r": 60,
    "g": 87,
    "b": 188
  },
  "hsl": {
    "h": 227.344,
    "s": 51.613,
    "l": 48.627
  },
  "oklch": {
    "l": 0.49381,
    "c": 0.16186,
    "h": 268.6
  },
  "luminance": 0.11408
}

Semantic roles & 50–950 ramp

primary

#3C57BC

secondary

#C9BC8B

accent

#BD4DDB

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3C57BC

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

Preview Lab → · Contrast checker → · Palette generator →