#3C4FC9#3C4FC9

#3C4FC9 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.9% C 0.189 H 270.8°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#3C4FC9
RGB	rgb(60, 79, 201)
HSL	hsl(232, 57%, 51%)
HSV	hsv(232, 70%, 79%)
CMYK	cmyk(70.1%, 60.7%, 0%, 21.2%)
CIE-LAB	lab(39.19, 33.51, -65.59)
CIE-LCH	lch(39.19, 73.65, 297.06°)
OKLab	oklab(48.89% 0.0028 -0.1893)
OKLCH	oklch(48.89% 0.189 270.8)
XYZ	xyz(15.1985, 10.7682, 56.5245)
Luminance	0.1077 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C4FC9 #C9B63C

analogous

#3C95C9 #3C4FC9 #6F3CC9

triadic

#3C4FC9 #C93C4F #4FC93C

tetradic

#3C4FC9 #C93C95 #C9B63C #3CC96F

square

#3C4FC9 #C93C95 #C9B63C #3CC96F

split-complementary

#3C4FC9 #C96F3C #95C93C

monochromatic

#1E296D #2B3B9C #3C4FC9 #6C7AD6 #9CA6E4

Accessibility & contrast

On white

6.66

#3C4FC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#3C4FC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C4FC9

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C4FC9	#FFFFFF	#000000	##FFFFFF
##3C4FC9	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063CD

Deuteranopia (green-blind)

#0056C7

Tritanopia (blue-blind)

#006E84

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3c4fc9;
/* rgb */ color: rgb(60, 79, 201);
/* oklch */ color: oklch(48.9% 0.189 270.8);

Tailwind

colors: {
  custom: {
    50: '#8480da',
    500: '#3c4fc9',
    950: '#000000',
  },
}

SCSS

$custom: #3c4fc9;
$custom-light: #8480da;
$custom-dark: #000000;

JSON

{
  "hex": "#3c4fc9",
  "rgb": {
    "r": 60,
    "g": 79,
    "b": 201
  },
  "hsl": {
    "h": 231.915,
    "s": 56.627,
    "l": 51.176
  },
  "oklch": {
    "l": 0.4889,
    "c": 0.18928,
    "h": 270.8
  },
  "luminance": 0.1077
}

Semantic roles & 50–950 ramp

primary

#3C4FC9

secondary

#D0C791

accent

#CB48E0

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3C4FC9

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

Preview Lab → · Contrast checker → · Palette generator →