#4A37BC#4A37BC

#4A37BC is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.7% C 0.197 H 281.4°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#4A37BC
RGB	rgb(74, 55, 188)
HSL	hsl(249, 55%, 48%)
HSV	hsv(249, 71%, 74%)
CMYK	cmyk(60.6%, 70.7%, 0%, 26.3%)
CIE-LAB	lab(33.60, 45.55, -67.09)
CIE-LCH	lch(33.60, 81.10, 304.17°)
OKLab	oklab(44.73% 0.0389 -0.1934)
OKLCH	oklch(44.73% 0.197 281.4)
XYZ	xyz(13.2645, 7.8181, 48.3773)
Luminance	0.0782 (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

#4A37BC #A9BC37

analogous

#3767BC #4A37BC #8C37BC

triadic

#4A37BC #BC4A37 #37BC4A

tetradic

#4A37BC #BC3767 #A9BC37 #37BC8C

square

#4A37BC #BC3767 #A9BC37 #37BC8C

split-complementary

#4A37BC #BC8C37 #67BC37

monochromatic

#251B5D #37298D #4A37BC #7060D0 #9A8FDE

Accessibility & contrast

On white

8.19

#4A37BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#4A37BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4A37BC

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A37BC	#FFFFFF	#000000	##FFFFFF
##4A37BC	1.00	8.19	2.56	8.19
#FFFFFF	8.19	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C0

Deuteranopia (green-blind)

#004AB9

Tritanopia (blue-blind)

#005B76

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4a37bc;
/* rgb */ color: rgb(74, 55, 188);
/* oklch */ color: oklch(44.7% 0.197 281.4);

Tailwind

colors: {
  custom: {
    50: '#8970d1',
    500: '#4a37bc',
    950: '#000000',
  },
}

SCSS

$custom: #4a37bc;
$custom-light: #8970d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4a37bc",
  "rgb": {
    "r": 74,
    "g": 55,
    "b": 188
  },
  "hsl": {
    "h": 248.571,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.44728,
    "c": 0.19724,
    "h": 281.4
  },
  "luminance": 0.07819
}

Semantic roles & 50–950 ramp

primary

#4A37BC

secondary

#BFC986

accent

#DE4AC9

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0714

muted

#7E7A83

Preview Lab

Preview with #4A37BC

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

Preview Lab → · Contrast checker → · Palette generator →