#3C57C8#3C57C8

#3C57C8 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.3% C 0.178 H 268.9°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#3C57C8
RGB	rgb(60, 87, 200)
HSL	hsl(228, 56%, 51%)
HSV	hsv(228, 70%, 78%)
CMYK	cmyk(70%, 56.5%, 0%, 21.6%)
CIE-LAB	lab(41.13, 28.05, -61.85)
CIE-LCH	lch(41.13, 67.91, 294.40°)
OKLab	oklab(50.31% -0.0034 -0.1782)
OKLCH	oklch(50.31% 0.178 268.9)
XYZ	xyz(15.6934, 11.9456, 56.1111)
Luminance	0.1195 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C57C8 #C8AD3C

analogous

#3C9DC8 #3C57C8 #673CC8

triadic

#3C57C8 #C83C57 #57C83C

tetradic

#3C57C8 #C83C9D #C8AD3C #3CC867

square

#3C57C8 #C83C9D #C8AD3C #3CC867

split-complementary

#3C57C8 #C8673C #9DC83C

monochromatic

#1E2D6B #2C419B #3C57C8 #6C80D5 #9BA9E3

Accessibility & contrast

On white

6.20

#3C57C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#3C57C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C57C8

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C57C8	#FFFFFF	#000000	##FFFFFF
##3C57C8	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068CC

Deuteranopia (green-blind)

#005BC6

Tritanopia (blue-blind)

#007387

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3c57c8;
/* rgb */ color: rgb(60, 87, 200);
/* oklch */ color: oklch(50.3% 0.178 268.9);

Tailwind

colors: {
  custom: {
    50: '#8386da',
    500: '#3c57c8',
    950: '#000000',
  },
}

SCSS

$custom: #3c57c8;
$custom-light: #8386da;
$custom-dark: #000000;

JSON

{
  "hex": "#3c57c8",
  "rgb": {
    "r": 60,
    "g": 87,
    "b": 200
  },
  "hsl": {
    "h": 228.429,
    "s": 56,
    "l": 50.98
  },
  "oklch": {
    "l": 0.50312,
    "c": 0.1782,
    "h": 268.9
  },
  "luminance": 0.11947
}

Semantic roles & 50–950 ramp

primary

#3C57C8

secondary

#CFC391

accent

#C249DF

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3C57C8

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

Preview Lab → · Contrast checker → · Palette generator →