#3C43DD#3C43DD

#3C43DD is a mid, highly saturated blue. Relative luminance 0.102; OKLCH L 48.7% C 0.228 H 272.2°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#3C43DD
RGB	rgb(60, 67, 221)
HSL	hsl(237, 70%, 55%)
HSV	hsv(237, 73%, 87%)
CMYK	cmyk(72.9%, 69.7%, 0%, 13.3%)
CIE-LAB	lab(38.19, 47.69, -78.75)
CIE-LCH	lch(38.19, 92.06, 301.20°)
OKLab	oklab(48.7% 0.0088 -0.2278)
OKLCH	oklch(48.7% 0.228 272.2)
XYZ	xyz(16.9174, 10.1937, 69.4686)
Luminance	0.1019 (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

#3C43DD #DDD63C

analogous

#3C94DD #3C43DD #853CDD

triadic

#3C43DD #DD3C43 #43DD3C

tetradic

#3C43DD #DD3C94 #DDD63C #3CDD85

square

#3C43DD #DD3C94 #DDD63C #3CDD85

split-complementary

#3C43DD #DD853C #94DD3C

monochromatic

#181C87 #2127BB #3C43DD #7075E6 #A4A7EF

Accessibility & contrast

On white

6.91

#3C43DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#3C43DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C43DD

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C43DD	#FFFFFF	#000000	##FFFFFF
##3C43DD	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062E2

Deuteranopia (green-blind)

#0052DA

Tritanopia (blue-blind)

#006E8B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3c43dd;
/* rgb */ color: rgb(60, 67, 221);
/* oklch */ color: oklch(48.7% 0.228 272.2);

Tailwind

colors: {
  custom: {
    50: '#8978e9',
    500: '#3c43dd',
    950: '#000000',
  },
}

SCSS

$custom: #3c43dd;
$custom-light: #8978e9;
$custom-dark: #000000;

JSON

{
  "hex": "#3c43dd",
  "rgb": {
    "r": 60,
    "g": 67,
    "b": 221
  },
  "hsl": {
    "h": 237.391,
    "s": 70.306,
    "l": 55.098
  },
  "oklch": {
    "l": 0.48696,
    "c": 0.228,
    "h": 272.2
  },
  "luminance": 0.10195
}

Semantic roles & 50–950 ramp

primary

#3C43DD

secondary

#DCD999

accent

#E53BED

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #3C43DD

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

Preview Lab → · Contrast checker → · Palette generator →