#4638AA#4638AA

#4638AA is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.9% C 0.174 H 281.7°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#4638AA
RGB	rgb(70, 56, 170)
HSL	hsl(247, 50%, 44%)
HSV	hsv(247, 67%, 67%)
CMYK	cmyk(58.8%, 67.1%, 0%, 33.3%)
CIE-LAB	lab(31.88, 38.70, -59.23)
CIE-LCH	lch(31.88, 70.75, 303.16°)
OKLab	oklab(42.92% 0.0354 -0.1705)
OKLCH	oklch(42.92% 0.174 281.7)
XYZ	xyz(11.1934, 7.0320, 38.7899)
Luminance	0.0703 (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

#4638AA #9CAA38

analogous

#3863AA #4638AA #7F38AA

triadic

#4638AA #AA4638 #38AA46

tetradic

#4638AA #AA3863 #9CAA38 #38AA7F

square

#4638AA #AA3863 #9CAA38 #38AA7F

split-complementary

#4638AA #AA7F38 #63AA38

monochromatic

#201A4E #33297C #4638AA #6557C8 #8F85D7

Accessibility & contrast

On white

8.73

#4638AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#4638AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4638AA

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4638AA	#FFFFFF	#000000	##FFFFFF
##4638AA	1.00	8.73	2.41	8.73
#FFFFFF	8.73	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAE

Deuteranopia (green-blind)

#0047A8

Tritanopia (blue-blind)

#07556C

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4638aa;
/* rgb */ color: rgb(70, 56, 170);
/* oklch */ color: oklch(42.9% 0.174 281.7);

Tailwind

colors: {
  custom: {
    50: '#8470c4',
    500: '#4638aa',
    950: '#000000',
  },
}

SCSS

$custom: #4638aa;
$custom-light: #8470c4;
$custom-dark: #000000;

JSON

{
  "hex": "#4638aa",
  "rgb": {
    "r": 70,
    "g": 56,
    "b": 170
  },
  "hsl": {
    "h": 247.368,
    "s": 50.442,
    "l": 44.314
  },
  "oklch": {
    "l": 0.42918,
    "c": 0.1741,
    "h": 281.7
  },
  "luminance": 0.07033
}

Semantic roles & 50–950 ramp

primary

#4638AA

secondary

#B8C17D

accent

#DA4EC9

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4638AA

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

Preview Lab → · Contrast checker → · Palette generator →