#4837BC#4837BC

#4837BC is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.6% C 0.198 H 280.5°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#4837BC
RGB	rgb(72, 55, 188)
HSL	hsl(248, 55%, 48%)
HSV	hsv(248, 71%, 74%)
CMYK	cmyk(61.7%, 70.7%, 0%, 26.3%)
CIE-LAB	lab(33.44, 45.28, -67.37)
CIE-LCH	lch(33.44, 81.17, 303.90°)
OKLab	oklab(44.57% 0.0361 -0.1943)
OKLCH	oklch(44.57% 0.198 280.5)
XYZ	xyz(13.1129, 7.7400, 48.3702)
Luminance	0.0774 (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

#4837BC #ABBC37

analogous

#3769BC #4837BC #8A37BC

triadic

#4837BC #BC4837 #37BC48

tetradic

#4837BC #BC3769 #ABBC37 #37BC8A

square

#4837BC #BC3769 #ABBC37 #37BC8A

split-complementary

#4837BC #BC8A37 #69BC37

monochromatic

#241B5D #36298D #4837BC #6E60D0 #998FDE

Accessibility & contrast

On white

8.24

#4837BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#4837BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4837BC

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4837BC	#FFFFFF	#000000	##FFFFFF
##4837BC	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C0

Deuteranopia (green-blind)

#004ABA

Tritanopia (blue-blind)

#005B76

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4837bc;
/* rgb */ color: rgb(72, 55, 188);
/* oklch */ color: oklch(44.6% 0.198 280.5);

Tailwind

colors: {
  custom: {
    50: '#8870d1',
    500: '#4837bc',
    950: '#000000',
  },
}

SCSS

$custom: #4837bc;
$custom-light: #8870d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4837bc",
  "rgb": {
    "r": 72,
    "g": 55,
    "b": 188
  },
  "hsl": {
    "h": 247.669,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.44568,
    "c": 0.19759,
    "h": 280.5
  },
  "luminance": 0.07741
}

Semantic roles & 50–950 ramp

primary

#4837BC

secondary

#C0C986

accent

#DE4ACB

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0714

muted

#7E7A83

Preview Lab

Preview with #4837BC

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

Preview Lab → · Contrast checker → · Palette generator →