#3A37C2#3A37C2

#3A37C2 is a dark, highly saturated blue. Relative luminance 0.075; OKLCH L 44.1% C 0.208 H 274.7°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#3A37C2
RGB	rgb(58, 55, 194)
HSL	hsl(241, 56%, 49%)
HSV	hsv(241, 72%, 76%)
CMYK	cmyk(70.1%, 71.6%, 0%, 23.9%)
CIE-LAB	lab(32.97, 45.49, -71.69)
CIE-LCH	lch(32.97, 84.91, 302.40°)
OKLab	oklab(44.15% 0.017 -0.2073)
OKLCH	oklch(44.15% 0.208 274.7)
XYZ	xyz(12.8455, 7.5257, 51.8041)
Luminance	0.0753 (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

#3A37C2 #BFC237

analogous

#377AC2 #3A37C2 #8037C2

triadic

#3A37C2 #C23A37 #37C23A

tetradic

#3A37C2 #C2377A #BFC237 #37C280

square

#3A37C2 #C2377A #BFC237 #37C280

split-complementary

#3A37C2 #C28037 #7AC237

monochromatic

#1D1C63 #2C2992 #3A37C2 #6663D3 #9593E0

Accessibility & contrast

On white

8.38

#3A37C2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#3A37C2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A37C2

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A37C2	#FFFFFF	#000000	##FFFFFF
##3A37C2	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C6

Deuteranopia (green-blind)

#0047BF

Tritanopia (blue-blind)

#005E79

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3a37c2;
/* rgb */ color: rgb(58, 55, 194);
/* oklch */ color: oklch(44.1% 0.208 274.7);

Tailwind

colors: {
  custom: {
    50: '#836fd6',
    500: '#3a37c2',
    950: '#000000',
  },
}

SCSS

$custom: #3a37c2;
$custom-light: #836fd6;
$custom-dark: #000000;

JSON

{
  "hex": "#3a37c2",
  "rgb": {
    "r": 58,
    "g": 55,
    "b": 194
  },
  "hsl": {
    "h": 241.295,
    "s": 55.823,
    "l": 48.824
  },
  "oklch": {
    "l": 0.44148,
    "c": 0.20797,
    "h": 274.7
  },
  "luminance": 0.07527
}

Semantic roles & 50–950 ramp

primary

#3A37C2

secondary

#CACB89

accent

#DF49DC

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3A37C2

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

Preview Lab → · Contrast checker → · Palette generator →