#4637B2#4637B2

#4637B2 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.5% C 0.185 H 280.9°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#4637B2
RGB	rgb(70, 55, 178)
HSL	hsl(247, 53%, 46%)
HSV	hsv(247, 69%, 70%)
CMYK	cmyk(60.7%, 69.1%, 0%, 30.2%)
CIE-LAB	lab(32.36, 41.84, -63.21)
CIE-LCH	lch(32.36, 75.81, 303.50°)
OKLab	oklab(43.48% 0.0351 -0.1821)
OKLCH	oklch(43.48% 0.185 280.9)
XYZ	xyz(11.9253, 7.2480, 42.8814)
Luminance	0.0725 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.07

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4637B2 #A3B237

analogous

#3765B2 #4637B2 #8337B2

triadic

#4637B2 #B24637 #37B246

tetradic

#4637B2 #B23765 #A3B237 #37B283

square

#4637B2 #B23765 #A3B237 #37B283

split-complementary

#4637B2 #B28337 #65B237

monochromatic

#211A54 #342983 #4637B2 #685ACC #9389DB

Accessibility & contrast

On white

8.57

#4637B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#4637B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4637B2

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4637B2	#FFFFFF	#000000	##FFFFFF
##4637B2	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B6

Deuteranopia (green-blind)

#0048B0

Tritanopia (blue-blind)

#005870

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #4637b2;
/* rgb */ color: rgb(70, 55, 178);
/* oklch */ color: oklch(43.5% 0.185 280.9);

Tailwind

colors: {
  custom: {
    50: '#866fca',
    500: '#4637b2',
    950: '#000000',
  },
}

SCSS

$custom: #4637b2;
$custom-light: #866fca;
$custom-dark: #000000;

JSON

{
  "hex": "#4637b2",
  "rgb": {
    "r": 70,
    "g": 55,
    "b": 178
  },
  "hsl": {
    "h": 247.317,
    "s": 52.79,
    "l": 45.686
  },
  "oklch": {
    "l": 0.43484,
    "c": 0.18549,
    "h": 280.9
  },
  "luminance": 0.07249
}

Semantic roles & 50–950 ramp

primary

#4637B2

secondary

#BCC580

accent

#DC4CCB

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4637B2

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

Preview Lab → · Contrast checker → · Palette generator →