#3E37BC#3E37BC

#3E37BC is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.8% C 0.200 H 276.6°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#3E37BC
RGB	rgb(62, 55, 188)
HSL	hsl(243, 55%, 48%)
HSV	hsv(243, 71%, 74%)
CMYK	cmyk(67%, 70.7%, 0%, 26.3%)
CIE-LAB	lab(32.67, 43.99, -68.66)
CIE-LCH	lch(32.67, 81.54, 302.65°)
OKLab	oklab(43.83% 0.023 -0.1983)
OKLCH	oklch(43.83% 0.2 276.6)
XYZ	xyz(12.4269, 7.3863, 48.3380)
Luminance	0.0739 (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

#3E37BC #B5BC37

analogous

#3772BC #3E37BC #8137BC

triadic

#3E37BC #BC3E37 #37BC3E

tetradic

#3E37BC #BC3772 #B5BC37 #37BC81

square

#3E37BC #BC3772 #B5BC37 #37BC81

split-complementary

#3E37BC #BC8137 #72BC37

monochromatic

#1F1B5D #2E298D #3E37BC #6660D0 #938FDE

Accessibility & contrast

On white

8.48

#3E37BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3E37BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E37BC

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E37BC	#FFFFFF	#000000	##FFFFFF
##3E37BC	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C0

Deuteranopia (green-blind)

#0047BA

Tritanopia (blue-blind)

#005C75

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3e37bc;
/* rgb */ color: rgb(62, 55, 188);
/* oklch */ color: oklch(43.8% 0.200 276.6);

Tailwind

colors: {
  custom: {
    50: '#846fd1',
    500: '#3e37bc',
    950: '#000000',
  },
}

SCSS

$custom: #3e37bc;
$custom-light: #846fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3e37bc",
  "rgb": {
    "r": 62,
    "g": 55,
    "b": 188
  },
  "hsl": {
    "h": 243.158,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.43827,
    "c": 0.19962,
    "h": 276.6
  },
  "luminance": 0.07387
}

Semantic roles & 50–950 ramp

primary

#3E37BC

secondary

#C5C986

accent

#DE4AD6

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3E37BC

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

Preview Lab → · Contrast checker → · Palette generator →