#3C37C8#3C37C8

#3C37C8 is a dark, highly saturated blue. Relative luminance 0.079; OKLCH L 44.9% C 0.215 H 274.9°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#3C37C8
RGB	rgb(60, 55, 200)
HSL	hsl(242, 57%, 50%)
HSV	hsv(242, 73%, 78%)
CMYK	cmyk(70%, 72.5%, 0%, 21.6%)
CIE-LAB	lab(33.69, 47.65, -74.02)
CIE-LCH	lch(33.69, 88.03, 302.77°)
OKLab	oklab(44.87% 0.0184 -0.214)
OKLCH	oklch(44.87% 0.215 274.9)
XYZ	xyz(13.6515, 7.8619, 55.4304)
Luminance	0.0786 (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

#3C37C8 #C3C837

analogous

#377AC8 #3C37C8 #8537C8

triadic

#3C37C8 #C83C37 #37C83C

tetradic

#3C37C8 #C8377A #C3C837 #37C885

square

#3C37C8 #C8377A #C3C837 #37C885

split-complementary

#3C37C8 #C88537 #7AC837

monochromatic

#1F1D68 #2E2A98 #3C37C8 #6B67D5 #9A97E2

Accessibility & contrast

On white

8.16

#3C37C8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#3C37C8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C37C8

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C37C8	#FFFFFF	#000000	##FFFFFF
##3C37C8	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056CC

Deuteranopia (green-blind)

#0049C5

Tritanopia (blue-blind)

#00607C

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3c37c8;
/* rgb */ color: rgb(60, 55, 200);
/* oklch */ color: oklch(44.9% 0.215 274.9);

Tailwind

colors: {
  custom: {
    50: '#8570da',
    500: '#3c37c8',
    950: '#000000',
  },
}

SCSS

$custom: #3c37c8;
$custom-light: #8570da;
$custom-dark: #000000;

JSON

{
  "hex": "#3c37c8",
  "rgb": {
    "r": 60,
    "g": 55,
    "b": 200
  },
  "hsl": {
    "h": 242.069,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.44871,
    "c": 0.21478,
    "h": 274.9
  },
  "luminance": 0.07863
}

Semantic roles & 50–950 ramp

primary

#3C37C8

secondary

#CCCE8D

accent

#E048DB

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3C37C8

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

Preview Lab → · Contrast checker → · Palette generator →