#3C43BC#3C43BC

#3C43BC is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.6% C 0.187 H 273.7°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#3C43BC
RGB	rgb(60, 67, 188)
HSL	hsl(237, 52%, 49%)
HSV	hsv(237, 68%, 74%)
CMYK	cmyk(68.1%, 64.4%, 0%, 26.3%)
CIE-LAB	lab(35.21, 36.51, -64.49)
CIE-LCH	lch(35.21, 74.11, 299.51°)
OKLab	oklab(45.63% 0.0122 -0.1861)
OKLCH	oklch(45.63% 0.187 273.7)
XYZ	xyz(12.9447, 8.6046, 48.5459)
Luminance	0.0861 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C43BC #BCB53C

analogous

#3C83BC #3C43BC #753CBC

triadic

#3C43BC #BC3C43 #43BC3C

tetradic

#3C43BC #BC3C83 #BCB53C #3CBC75

square

#3C43BC #BC3C83 #BCB53C #3CBC75

split-complementary

#3C43BC #BC753C #83BC3C

monochromatic

#1E225F #2D328E #3C43BC #676CCE #9599DD

Accessibility & contrast

On white

7.72

#3C43BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3C43BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C43BC

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C43BC	#FFFFFF	#000000	##FFFFFF
##3C43BC	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C0

Deuteranopia (green-blind)

#004DBA

Tritanopia (blue-blind)

#006279

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3c43bc;
/* rgb */ color: rgb(60, 67, 188);
/* oklch */ color: oklch(45.6% 0.187 273.7);

Tailwind

colors: {
  custom: {
    50: '#8277d1',
    500: '#3c43bc',
    950: '#000000',
  },
}

SCSS

$custom: #3c43bc;
$custom-light: #8277d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3c43bc",
  "rgb": {
    "r": 60,
    "g": 67,
    "b": 188
  },
  "hsl": {
    "h": 236.719,
    "s": 51.613,
    "l": 48.627
  },
  "oklch": {
    "l": 0.45631,
    "c": 0.18655,
    "h": 273.7
  },
  "luminance": 0.08606
}

Semantic roles & 50–950 ramp

primary

#3C43BC

secondary

#C9C58B

accent

#D34DDB

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3C43BC

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

Preview Lab → · Contrast checker → · Palette generator →