#4637AA#4637AA

#4637AA is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.8% C 0.175 H 282.0°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#4637AA
RGB	rgb(70, 55, 170)
HSL	hsl(248, 51%, 44%)
HSV	hsv(248, 68%, 67%)
CMYK	cmyk(58.8%, 67.6%, 0%, 33.3%)
CIE-LAB	lab(31.66, 39.30, -59.59)
CIE-LCH	lch(31.66, 71.38, 303.40°)
OKLab	oklab(42.76% 0.0363 -0.1715)
OKLCH	oklch(42.76% 0.175 282)
XYZ	xyz(11.1454, 6.9360, 38.7739)
Luminance	0.0694 (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

#4637AA #9BAA37

analogous

#3762AA #4637AA #8037AA

triadic

#4637AA #AA4637 #37AA46

tetradic

#4637AA #AA3762 #9BAA37 #37AA80

square

#4637AA #AA3762 #9BAA37 #37AA80

split-complementary

#4637AA #AA8037 #62AA37

monochromatic

#20194E #33287C #4637AA #6556C8 #8F84D7

Accessibility & contrast

On white

8.80

#4637AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#4637AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4637AA

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4637AA	#FFFFFF	#000000	##FFFFFF
##4637AA	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAE

Deuteranopia (green-blind)

#0046A8

Tritanopia (blue-blind)

#07556C

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #4637aa;
/* rgb */ color: rgb(70, 55, 170);
/* oklch */ color: oklch(42.8% 0.175 282.0);

Tailwind

colors: {
  custom: {
    50: '#846fc4',
    500: '#4637aa',
    950: '#000000',
  },
}

SCSS

$custom: #4637aa;
$custom-light: #846fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#4637aa",
  "rgb": {
    "r": 70,
    "g": 55,
    "b": 170
  },
  "hsl": {
    "h": 247.826,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.4276,
    "c": 0.17531,
    "h": 282
  },
  "luminance": 0.06937
}

Semantic roles & 50–950 ramp

primary

#4637AA

secondary

#B8C17C

accent

#DB4DC8

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4637AA

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

Preview Lab → · Contrast checker → · Palette generator →