#3C3CBB#3C3CBB

#3C3CBB is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.4% C 0.193 H 275.1°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#3C3CBB
RGB	rgb(60, 60, 187)
HSL	hsl(240, 51%, 48%)
HSV	hsv(240, 68%, 73%)
CMYK	cmyk(67.9%, 67.9%, 0%, 26.7%)
CIE-LAB	lab(33.52, 40.46, -66.68)
CIE-LCH	lch(33.52, 77.99, 301.25°)
OKLab	oklab(44.37% 0.0173 -0.1926)
OKLCH	oklch(44.37% 0.193 275.1)
XYZ	xyz(12.4460, 7.7791, 47.8497)
Luminance	0.0778 (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

#3C3CBB #BBBB3C

analogous

#3C7BBB #3C3CBB #7B3CBB

triadic

#3C3CBB #BB3C3C #3CBB3C

tetradic

#3C3CBB #BB3C7B #BBBB3C #3CBB7B

square

#3C3CBB #BB3C7B #BBBB3C #3CBB7B

split-complementary

#3C3CBB #BB7B3C #7BBB3C

monochromatic

#1E1E5E #2D2D8D #3C3CBB #6666CE #9595DD

Accessibility & contrast

On white

8.22

#3C3CBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#3C3CBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C3CBB

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C3CBB	#FFFFFF	#000000	##FFFFFF
##3C3CBB	1.00	8.22	2.56	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BF

Deuteranopia (green-blind)

#0049B9

Tritanopia (blue-blind)

#005E76

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3c3cbb;
/* rgb */ color: rgb(60, 60, 187);
/* oklch */ color: oklch(44.4% 0.193 275.1);

Tailwind

colors: {
  custom: {
    50: '#8272d1',
    500: '#3c3cbb',
    950: '#000000',
  },
}

SCSS

$custom: #3c3cbb;
$custom-light: #8272d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3c3cbb",
  "rgb": {
    "r": 60,
    "g": 60,
    "b": 187
  },
  "hsl": {
    "h": 240,
    "s": 51.417,
    "l": 48.431
  },
  "oklch": {
    "l": 0.44373,
    "c": 0.19334,
    "h": 275.1
  },
  "luminance": 0.0778
}

Semantic roles & 50–950 ramp

primary

#3C3CBB

secondary

#C8C88B

accent

#DB4DDB

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3C3CBB

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

Preview Lab → · Contrast checker → · Palette generator →