#3437C5#3437C5

#3437C5 is a dark, highly saturated blue. Relative luminance 0.075; OKLCH L 44.1% C 0.213 H 272.6°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#3437C5
RGB	rgb(52, 55, 197)
HSL	hsl(239, 58%, 49%)
HSV	hsv(239, 74%, 77%)
CMYK	cmyk(73.6%, 72.1%, 0%, 22.7%)
CIE-LAB	lab(32.90, 45.88, -73.58)
CIE-LCH	lch(32.90, 86.72, 301.94°)
OKLab	oklab(44.09% 0.0095 -0.2129)
OKLCH	oklch(44.09% 0.213 272.6)
XYZ	xyz(12.8570, 7.4923, 53.5811)
Luminance	0.0749 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.60

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3437C5 #C5C234

analogous

#3480C5 #3437C5 #7A34C5

triadic

#3437C5 #C53437 #37C534

tetradic

#3437C5 #C53480 #C5C234 #34C57A

square

#3437C5 #C53480 #C5C234 #34C57A

split-complementary

#3437C5 #C57A34 #80C534

monochromatic

#1A1C64 #272995 #3437C5 #6163D5 #9193E2

Accessibility & contrast

On white

8.40

#3437C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#3437C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3437C5

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3437C5	#FFFFFF	#000000	##FFFFFF
##3437C5	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	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: #3437c5;
/* rgb */ color: rgb(52, 55, 197);
/* oklch */ color: oklch(44.1% 0.213 272.6);

Tailwind

colors: {
  custom: {
    50: '#826fd8',
    500: '#3437c5',
    950: '#000000',
  },
}

SCSS

$custom: #3437c5;
$custom-light: #826fd8;
$custom-dark: #000000;

JSON

{
  "hex": "#3437c5",
  "rgb": {
    "r": 52,
    "g": 55,
    "b": 197
  },
  "hsl": {
    "h": 238.759,
    "s": 58.233,
    "l": 48.824
  },
  "oklch": {
    "l": 0.44087,
    "c": 0.21313,
    "h": 272.6
  },
  "luminance": 0.07494
}

Semantic roles & 50–950 ramp

primary

#3437C5

secondary

#CDCB88

accent

#DE46E1

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #3437C5

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

Preview Lab → · Contrast checker → · Palette generator →