#4639A3#4639A3

#4639A3 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.5% C 0.164 H 282.5°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#4639A3
RGB	rgb(70, 57, 163)
HSL	hsl(247, 48%, 43%)
HSV	hsv(247, 65%, 64%)
CMYK	cmyk(57.1%, 65%, 0%, 36.1%)
CIE-LAB	lab(31.51, 35.85, -55.62)
CIE-LCH	lch(31.51, 66.17, 302.81°)
OKLab	oklab(42.47% 0.0353 -0.1599)
OKLCH	oklch(42.47% 0.164 282.5)
XYZ	xyz(10.5977, 6.8720, 35.4112)
Luminance	0.0687 (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

#4639A3 #96A339

analogous

#3961A3 #4639A3 #7B39A3

triadic

#4639A3 #A34639 #39A346

tetradic

#4639A3 #A33961 #96A339 #39A37B

square

#4639A3 #A33961 #96A339 #39A37B

split-complementary

#4639A3 #A37B39 #61A339

monochromatic

#1F1948 #332976 #4639A3 #6355C4 #8D83D4

Accessibility & contrast

On white

8.84

#4639A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#4639A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4639A3

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4639A3	#FFFFFF	#000000	##FFFFFF
##4639A3	1.00	8.84	2.37	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA6

Deuteranopia (green-blind)

#0046A1

Tritanopia (blue-blind)

#165369

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #4639a3;
/* rgb */ color: rgb(70, 57, 163);
/* oklch */ color: oklch(42.5% 0.164 282.5);

Tailwind

colors: {
  custom: {
    50: '#8370bf',
    500: '#4639a3',
    950: '#000000',
  },
}

SCSS

$custom: #4639a3;
$custom-light: #8370bf;
$custom-dark: #000000;

JSON

{
  "hex": "#4639a3",
  "rgb": {
    "r": 70,
    "g": 57,
    "b": 163
  },
  "hsl": {
    "h": 247.358,
    "s": 48.182,
    "l": 43.137
  },
  "oklch": {
    "l": 0.4247,
    "c": 0.16371,
    "h": 282.5
  },
  "luminance": 0.06873
}

Semantic roles & 50–950 ramp

primary

#4639A3

secondary

#B5BD7A

accent

#D850C7

background

#F8F6FB

surface

#F0ECF7

border

#CBC7D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #4639A3

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

Preview Lab → · Contrast checker → · Palette generator →