#3A37C3#3A37C3

#3A37C3 is a dark, highly saturated blue. Relative luminance 0.076; OKLCH L 44.2% C 0.209 H 274.6°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#3A37C3
RGB	rgb(58, 55, 195)
HSL	hsl(241, 56%, 49%)
HSV	hsv(241, 72%, 76%)
CMYK	cmyk(70.3%, 71.8%, 0%, 23.5%)
CIE-LAB	lab(33.07, 45.82, -72.12)
CIE-LCH	lch(33.07, 85.44, 302.43°)
OKLab	oklab(44.25% 0.0168 -0.2085)
OKLCH	oklch(44.25% 0.209 274.6)
XYZ	xyz(12.9582, 7.5708, 52.3976)
Luminance	0.0757 (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

#3A37C3 #C0C337

analogous

#377AC3 #3A37C3 #8037C3

triadic

#3A37C3 #C33A37 #37C33A

tetradic

#3A37C3 #C3377A #C0C337 #37C380

square

#3A37C3 #C3377A #C0C337 #37C380

split-complementary

#3A37C3 #C38037 #7AC337

monochromatic

#1E1C64 #2C2A93 #3A37C3 #6664D3 #9594E1

Accessibility & contrast

On white

8.35

#3A37C3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#3A37C3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A37C3

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A37C3	#FFFFFF	#000000	##FFFFFF
##3A37C3	1.00	8.35	2.51	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C7

Deuteranopia (green-blind)

#0047C0

Tritanopia (blue-blind)

#005E79

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3a37c3;
/* rgb */ color: rgb(58, 55, 195);
/* oklch */ color: oklch(44.2% 0.209 274.6);

Tailwind

colors: {
  custom: {
    50: '#846fd6',
    500: '#3a37c3',
    950: '#000000',
  },
}

SCSS

$custom: #3a37c3;
$custom-light: #846fd6;
$custom-dark: #000000;

JSON

{
  "hex": "#3a37c3",
  "rgb": {
    "r": 58,
    "g": 55,
    "b": 195
  },
  "hsl": {
    "h": 241.286,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.44247,
    "c": 0.20919,
    "h": 274.6
  },
  "luminance": 0.07572
}

Semantic roles & 50–950 ramp

primary

#3A37C3

secondary

#CACC8A

accent

#DF49DC

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3A37C3

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

Preview Lab → · Contrast checker → · Palette generator →