#4837BF#4837BF

#4837BF is a dark, highly saturated blue. Relative luminance 0.079; OKLCH L 44.9% C 0.201 H 280.2°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#4837BF
RGB	rgb(72, 55, 191)
HSL	hsl(248, 55%, 48%)
HSV	hsv(248, 71%, 75%)
CMYK	cmyk(62.3%, 71.2%, 0%, 25.1%)
CIE-LAB	lab(33.71, 46.21, -68.68)
CIE-LCH	lch(33.71, 82.78, 303.93°)
OKLab	oklab(44.85% 0.0356 -0.1981)
OKLCH	oklch(44.85% 0.201 280.2)
XYZ	xyz(13.4397, 7.8707, 50.0911)
Luminance	0.0787 (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

#4837BF #AEBF37

analogous

#376ABF #4837BF #8C37BF

triadic

#4837BF #BF4837 #37BF48

tetradic

#4837BF #BF376A #AEBF37 #37BF8C

square

#4837BF #BF376A #AEBF37 #37BF8C

split-complementary

#4837BF #BF8C37 #6ABF37

monochromatic

#241C60 #36298F #4837BF #7062D2 #9B91DF

Accessibility & contrast

On white

8.16

#4837BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#4837BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4837BF

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4837BF	#FFFFFF	#000000	##FFFFFF
##4837BF	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)

#0054C3

Deuteranopia (green-blind)

#004ABC

Tritanopia (blue-blind)

#005C77

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4837bf;
/* rgb */ color: rgb(72, 55, 191);
/* oklch */ color: oklch(44.9% 0.201 280.2);

Tailwind

colors: {
  custom: {
    50: '#8970d3',
    500: '#4837bf',
    950: '#000000',
  },
}

SCSS

$custom: #4837bf;
$custom-light: #8970d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4837bf",
  "rgb": {
    "r": 72,
    "g": 55,
    "b": 191
  },
  "hsl": {
    "h": 247.5,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.4485,
    "c": 0.20127,
    "h": 280.2
  },
  "luminance": 0.07872
}

Semantic roles & 50–950 ramp

primary

#4837BF

secondary

#C2CA88

accent

#DF49CC

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0714

muted

#7E7A83

Preview Lab

Preview with #4837BF

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

Preview Lab → · Contrast checker → · Palette generator →