#4737B2#4737B2

#4737B2 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.6% C 0.185 H 281.3°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#4737B2
RGB	rgb(71, 55, 178)
HSL	hsl(248, 53%, 46%)
HSV	hsv(248, 69%, 70%)
CMYK	cmyk(60.1%, 69.1%, 0%, 30.2%)
CIE-LAB	lab(32.45, 41.99, -63.07)
CIE-LCH	lch(32.45, 75.77, 303.65°)
OKLab	oklab(43.56% 0.0365 -0.1817)
OKLCH	oklch(43.56% 0.185 281.3)
XYZ	xyz(11.9981, 7.2855, 42.8848)
Luminance	0.0729 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.03

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4737B2 #A2B237

analogous

#3764B2 #4737B2 #8437B2

triadic

#4737B2 #B24737 #37B247

tetradic

#4737B2 #B23764 #A2B237 #37B284

square

#4737B2 #B23764 #A2B237 #37B284

split-complementary

#4737B2 #B28437 #64B237

monochromatic

#221A54 #342983 #4737B2 #695ACC #9489DB

Accessibility & contrast

On white

8.55

#4737B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#4737B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4737B2

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4737B2	#FFFFFF	#000000	##FFFFFF
##4737B2	1.00	8.55	2.46	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B6

Deuteranopia (green-blind)

#0048B0

Tritanopia (blue-blind)

#005770

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #4737b2;
/* rgb */ color: rgb(71, 55, 178);
/* oklch */ color: oklch(43.6% 0.185 281.3);

Tailwind

colors: {
  custom: {
    50: '#866fca',
    500: '#4737b2',
    950: '#000000',
  },
}

SCSS

$custom: #4737b2;
$custom-light: #866fca;
$custom-dark: #000000;

JSON

{
  "hex": "#4737b2",
  "rgb": {
    "r": 71,
    "g": 55,
    "b": 178
  },
  "hsl": {
    "h": 247.805,
    "s": 52.79,
    "l": 45.686
  },
  "oklch": {
    "l": 0.43564,
    "c": 0.18532,
    "h": 281.3
  },
  "luminance": 0.07286
}

Semantic roles & 50–950 ramp

primary

#4737B2

secondary

#BCC580

accent

#DC4CC9

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4737B2

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

Preview Lab → · Contrast checker → · Palette generator →