#4636B3#4636B3

#4636B3 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.4% C 0.188 H 281.0°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#4636B3
RGB	rgb(70, 54, 179)
HSL	hsl(248, 54%, 46%)
HSV	hsv(248, 70%, 70%)
CMYK	cmyk(60.9%, 69.8%, 0%, 29.8%)
CIE-LAB	lab(32.24, 42.73, -64.00)
CIE-LCH	lch(32.24, 76.96, 303.73°)
OKLab	oklab(43.43% 0.0357 -0.1844)
OKLCH	oklch(43.43% 0.188 281)
XYZ	xyz(11.9791, 7.1942, 43.3965)
Luminance	0.0720 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.28

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4636B3 #A3B336

analogous

#3664B3 #4636B3 #8436B3

triadic

#4636B3 #B34636 #36B346

tetradic

#4636B3 #B33664 #A3B336 #36B384

square

#4636B3 #B33664 #A3B336 #36B384

split-complementary

#4636B3 #B38436 #64B336

monochromatic

#211A55 #342884 #4636B3 #6859CD #9388DB

Accessibility & contrast

On white

8.61

#4636B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#4636B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4636B3

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4636B3	#FFFFFF	#000000	##FFFFFF
##4636B3	1.00	8.61	2.44	8.61
#FFFFFF	8.61	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B7

Deuteranopia (green-blind)

#0047B1

Tritanopia (blue-blind)

#005770

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #4636b3;
/* rgb */ color: rgb(70, 54, 179);
/* oklch */ color: oklch(43.4% 0.188 281.0);

Tailwind

colors: {
  custom: {
    50: '#866fcb',
    500: '#4636b3',
    950: '#000000',
  },
}

SCSS

$custom: #4636b3;
$custom-light: #866fcb;
$custom-dark: #000000;

JSON

{
  "hex": "#4636b3",
  "rgb": {
    "r": 70,
    "g": 54,
    "b": 179
  },
  "hsl": {
    "h": 247.68,
    "s": 53.648,
    "l": 45.686
  },
  "oklch": {
    "l": 0.43425,
    "c": 0.18788,
    "h": 281
  },
  "luminance": 0.07195
}

Semantic roles & 50–950 ramp

primary

#4636B3

secondary

#BCC580

accent

#DD4BCA

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4636B3

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

Preview Lab → · Contrast checker → · Palette generator →