#4637AD#4637AD

#4637AD is a dark, vivid blue. Relative luminance 0.071; OKLCH L 43.0% C 0.179 H 281.6°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#4637AD
RGB	rgb(70, 55, 173)
HSL	hsl(248, 52%, 45%)
HSV	hsv(248, 68%, 68%)
CMYK	cmyk(59.5%, 68.2%, 0%, 32.2%)
CIE-LAB	lab(31.92, 40.25, -60.96)
CIE-LCH	lch(31.92, 73.05, 303.44°)
OKLab	oklab(43.03% 0.0359 -0.1755)
OKLCH	oklch(43.03% 0.179 281.6)
XYZ	xyz(11.4324, 7.0508, 40.2856)
Luminance	0.0705 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.24

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4637AD #9EAD37

analogous

#3763AD #4637AD #8137AD

triadic

#4637AD #AD4637 #37AD46

tetradic

#4637AD #AD3763 #9EAD37 #37AD81

square

#4637AD #AD3763 #9EAD37 #37AD81

split-complementary

#4637AD #AD8137 #63AD37

monochromatic

#201950 #33287F #4637AD #6657CA #9086D8

Accessibility & contrast

On white

8.71

#4637AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#4637AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4637AD

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4637AD	#FFFFFF	#000000	##FFFFFF
##4637AD	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB1

Deuteranopia (green-blind)

#0047AB

Tritanopia (blue-blind)

#00566D

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4637ad;
/* rgb */ color: rgb(70, 55, 173);
/* oklch */ color: oklch(43.0% 0.179 281.6);

Tailwind

colors: {
  custom: {
    50: '#856fc6',
    500: '#4637ad',
    950: '#000000',
  },
}

SCSS

$custom: #4637ad;
$custom-light: #856fc6;
$custom-dark: #000000;

JSON

{
  "hex": "#4637ad",
  "rgb": {
    "r": 70,
    "g": 55,
    "b": 173
  },
  "hsl": {
    "h": 247.627,
    "s": 51.754,
    "l": 44.706
  },
  "oklch": {
    "l": 0.43029,
    "c": 0.17915,
    "h": 281.6
  },
  "luminance": 0.07052
}

Semantic roles & 50–950 ramp

primary

#4637AD

secondary

#BAC27D

accent

#DB4DC9

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4637AD

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

Preview Lab → · Contrast checker → · Palette generator →