#3734C3#3734C3

#3734C3 is a dark, highly saturated blue. Relative luminance 0.072; OKLCH L 43.6% C 0.213 H 274.0°. Best body text is #FFFFFF at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#3734C3
RGB	rgb(55, 52, 195)
HSL	hsl(241, 58%, 48%)
HSV	hsv(241, 73%, 76%)
CMYK	cmyk(71.8%, 73.3%, 0%, 23.5%)
CIE-LAB	lab(32.27, 47.21, -73.44)
CIE-LCH	lch(32.27, 87.31, 302.73°)
OKLab	oklab(43.63% 0.0148 -0.2124)
OKLCH	oklch(43.63% 0.213 274)
XYZ	xyz(12.6506, 7.2071, 52.3436)
Luminance	0.0721 (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

#3734C3 #C0C334

analogous

#3478C3 #3734C3 #7E34C3

triadic

#3734C3 #C33734 #34C337

tetradic

#3734C3 #C33478 #C0C334 #34C37E

square

#3734C3 #C33478 #C0C334 #34C37E

split-complementary

#3734C3 #C37E34 #78C334

monochromatic

#1C1A62 #292793 #3734C3 #6260D5 #9290E1

Accessibility & contrast

On white

8.60

#3734C3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#3734C3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3734C3

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3734C3	#FFFFFF	#000000	##FFFFFF
##3734C3	1.00	8.60	2.44	8.60
#FFFFFF	8.60	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C7

Deuteranopia (green-blind)

#0045C0

Tritanopia (blue-blind)

#005D79

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3734c3;
/* rgb */ color: rgb(55, 52, 195);
/* oklch */ color: oklch(43.6% 0.213 274.0);

Tailwind

colors: {
  custom: {
    50: '#836dd6',
    500: '#3734c3',
    950: '#000000',
  },
}

SCSS

$custom: #3734c3;
$custom-light: #836dd6;
$custom-dark: #000000;

JSON

{
  "hex": "#3734c3",
  "rgb": {
    "r": 55,
    "g": 52,
    "b": 195
  },
  "hsl": {
    "h": 241.259,
    "s": 57.895,
    "l": 48.431
  },
  "oklch": {
    "l": 0.43627,
    "c": 0.21295,
    "h": 274
  },
  "luminance": 0.07208
}

Semantic roles & 50–950 ramp

primary

#3734C3

secondary

#CBCC87

accent

#E147DE

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #3734C3

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

Preview Lab → · Contrast checker → · Palette generator →