#3137C5#3137C5

#3137C5 is a dark, highly saturated blue. Relative luminance 0.074; OKLCH L 43.9% C 0.214 H 271.7°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#3137C5
RGB	rgb(49, 55, 197)
HSL	hsl(238, 60%, 48%)
HSV	hsv(238, 75%, 77%)
CMYK	cmyk(75.1%, 72.1%, 0%, 22.7%)
CIE-LAB	lab(32.73, 45.61, -73.87)
CIE-LCH	lch(32.73, 86.81, 301.69°)
OKLab	oklab(43.92% 0.0062 -0.2138)
OKLCH	oklch(43.92% 0.214 271.7)
XYZ	xyz(12.7074, 7.4152, 53.5741)
Luminance	0.0742 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.46

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3137C5 #C5BF31

analogous

#3181C5 #3137C5 #7531C5

triadic

#3137C5 #C53137 #37C531

tetradic

#3137C5 #C53181 #C5BF31 #31C575

square

#3137C5 #C53181 #C5BF31 #31C575

split-complementary

#3137C5 #C57531 #81C531

monochromatic

#191C63 #252994 #3137C5 #5D62D7 #8E91E3

Accessibility & contrast

On white

8.46

#3137C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3137C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3137C5

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3137C5	#FFFFFF	#000000	##FFFFFF
##3137C5	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C9

Deuteranopia (green-blind)

#0046C2

Tritanopia (blue-blind)

#005F7A

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3137c5;
/* rgb */ color: rgb(49, 55, 197);
/* oklch */ color: oklch(43.9% 0.214 271.7);

Tailwind

colors: {
  custom: {
    50: '#816fd8',
    500: '#3137c5',
    950: '#000000',
  },
}

SCSS

$custom: #3137c5;
$custom-light: #816fd8;
$custom-dark: #000000;

JSON

{
  "hex": "#3137c5",
  "rgb": {
    "r": 49,
    "g": 55,
    "b": 197
  },
  "hsl": {
    "h": 237.568,
    "s": 60.163,
    "l": 48.235
  },
  "oklch": {
    "l": 0.43922,
    "c": 0.2139,
    "h": 271.7
  },
  "luminance": 0.07417
}

Semantic roles & 50–950 ramp

primary

#3137C5

secondary

#CDCA85

accent

#DD44E3

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #3137C5

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

Preview Lab → · Contrast checker → · Palette generator →