#3E37BD#3E37BD

#3E37BD is a dark, highly saturated blue. Relative luminance 0.074; OKLCH L 43.9% C 0.201 H 276.5°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#3E37BD
RGB	rgb(62, 55, 189)
HSL	hsl(243, 55%, 48%)
HSV	hsv(243, 71%, 74%)
CMYK	cmyk(67.2%, 70.9%, 0%, 25.9%)
CIE-LAB	lab(32.77, 44.31, -69.09)
CIE-LCH	lch(32.77, 82.08, 302.67°)
OKLab	oklab(43.92% 0.0228 -0.1996)
OKLCH	oklch(43.92% 0.201 276.5)
XYZ	xyz(12.5351, 7.4295, 48.9077)
Luminance	0.0743 (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

#3E37BD #B6BD37

analogous

#3773BD #3E37BD #8137BD

triadic

#3E37BD #BD3E37 #37BD3E

tetradic

#3E37BD #BD3773 #B6BD37 #37BD81

square

#3E37BD #BD3773 #B6BD37 #37BD81

split-complementary

#3E37BD #BD8137 #73BD37

monochromatic

#1F1B5E #2E298E #3E37BD #6660D1 #9490DF

Accessibility & contrast

On white

8.45

#3E37BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3E37BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E37BD

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E37BD	#FFFFFF	#000000	##FFFFFF
##3E37BD	1.00	8.45	2.49	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C1

Deuteranopia (green-blind)

#0047BB

Tritanopia (blue-blind)

#005C76

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3e37bd;
/* rgb */ color: rgb(62, 55, 189);
/* oklch */ color: oklch(43.9% 0.201 276.5);

Tailwind

colors: {
  custom: {
    50: '#846fd2',
    500: '#3e37bd',
    950: '#000000',
  },
}

SCSS

$custom: #3e37bd;
$custom-light: #846fd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3e37bd",
  "rgb": {
    "r": 62,
    "g": 55,
    "b": 189
  },
  "hsl": {
    "h": 243.134,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.43923,
    "c": 0.20086,
    "h": 276.5
  },
  "luminance": 0.07431
}

Semantic roles & 50–950 ramp

primary

#3E37BD

secondary

#C6C986

accent

#DE4AD6

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3E37BD

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

Preview Lab → · Contrast checker → · Palette generator →