#3C3FA8#3C3FA8

#3C3FA8 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.2% C 0.165 H 275.8°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#3C3FA8
RGB	rgb(60, 63, 168)
HSL	hsl(238, 47%, 45%)
HSV	hsv(238, 64%, 66%)
CMYK	cmyk(64.3%, 62.5%, 0%, 34.1%)
CIE-LAB	lab(32.57, 32.11, -56.93)
CIE-LCH	lch(32.57, 65.36, 299.42°)
OKLab	oklab(43.18% 0.0166 -0.164)
OKLCH	oklch(43.18% 0.165 275.8)
XYZ	xyz(10.7066, 7.3419, 37.8911)
Luminance	0.0734 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.72

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C3FA8 #A8A53C

analogous

#3C75A8 #3C3FA8 #6F3CA8

triadic

#3C3FA8 #A83C3F #3FA83C

tetradic

#3C3FA8 #A83C75 #A8A53C #3CA86F

square

#3C3FA8 #A83C75 #A8A53C #3CA86F

split-complementary

#3C3FA8 #A86F3C #75A83C

monochromatic

#1C1D4E #2C2E7B #3C3FA8 #5C5FC5 #898CD5

Accessibility & contrast

On white

8.51

#3C3FA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#3C3FA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C3FA8

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C3FA8	#FFFFFF	#000000	##FFFFFF
##3C3FA8	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051AB

Deuteranopia (green-blind)

#0048A6

Tritanopia (blue-blind)

#00596D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3c3fa8;
/* rgb */ color: rgb(60, 63, 168);
/* oklch */ color: oklch(43.2% 0.165 275.8);

Tailwind

colors: {
  custom: {
    50: '#7e74c3',
    500: '#3c3fa8',
    950: '#000000',
  },
}

SCSS

$custom: #3c3fa8;
$custom-light: #7e74c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3c3fa8",
  "rgb": {
    "r": 60,
    "g": 63,
    "b": 168
  },
  "hsl": {
    "h": 238.333,
    "s": 47.368,
    "l": 44.706
  },
  "oklch": {
    "l": 0.43176,
    "c": 0.16482,
    "h": 275.8
  },
  "luminance": 0.07343
}

Semantic roles & 50–950 ramp

primary

#3C3FA8

secondary

#BFBE80

accent

#D351D7

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3C3FA8

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

Preview Lab → · Contrast checker → · Palette generator →