#3C57BE#3C57BE

#3C57BE is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.5% C 0.165 H 268.6°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#3C57BE
RGB	rgb(60, 87, 190)
HSL	hsl(228, 52%, 49%)
HSV	hsv(228, 68%, 75%)
CMYK	cmyk(68.4%, 54.2%, 0%, 25.5%)
CIE-LAB	lab(40.40, 24.45, -57.22)
CIE-LCH	lch(40.40, 62.23, 293.14°)
OKLab	oklab(49.53% -0.0039 -0.1646)
OKLCH	oklch(49.53% 0.165 268.6)
XYZ	xyz(14.5627, 11.4933, 50.1562)
Luminance	0.1149 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C57BE #BEA33C

analogous

#3C98BE #3C57BE #623CBE

triadic

#3C57BE #BE3C57 #57BE3C

tetradic

#3C57BE #BE3C98 #BEA33C #3CBE62

square

#3C57BE #BE3C98 #BEA33C #3CBE62

split-complementary

#3C57BE #BE623C #98BE3C

monochromatic

#1F2C61 #2D428F #3C57BE #687DCF #96A5DE

Accessibility & contrast

On white

6.37

#3C57BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#3C57BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C57BE

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C57BE	#FFFFFF	#000000	##FFFFFF
##3C57BE	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0665C2

Deuteranopia (green-blind)

#005ABC

Tritanopia (blue-blind)

#007082

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3c57be;
/* rgb */ color: rgb(60, 87, 190);
/* oklch */ color: oklch(49.5% 0.165 268.6);

Tailwind

colors: {
  custom: {
    50: '#8186d2',
    500: '#3c57be',
    950: '#000000',
  },
}

SCSS

$custom: #3c57be;
$custom-light: #8186d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3c57be",
  "rgb": {
    "r": 60,
    "g": 87,
    "b": 190
  },
  "hsl": {
    "h": 227.538,
    "s": 52,
    "l": 49.02
  },
  "oklch": {
    "l": 0.49533,
    "c": 0.16462,
    "h": 268.6
  },
  "luminance": 0.11495
}

Semantic roles & 50–950 ramp

primary

#3C57BE

secondary

#CABD8C

accent

#BE4CDB

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3C57BE

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

Preview Lab → · Contrast checker → · Palette generator →