#4640BD#4640BD

#4640BD is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.9% C 0.189 H 278.0°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#4640BD
RGB	rgb(70, 64, 189)
HSL	hsl(243, 49%, 50%)
HSV	hsv(243, 66%, 74%)
CMYK	cmyk(63%, 66.1%, 0%, 25.9%)
CIE-LAB	lab(35.29, 40.09, -64.93)
CIE-LCH	lch(35.29, 76.31, 301.69°)
OKLab	oklab(45.89% 0.0264 -0.1872)
OKLCH	oklch(45.89% 0.189 278)
XYZ	xyz(13.5415, 8.6419, 49.0887)
Luminance	0.0864 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.74

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4640BD #B7BD40

analogous

#4079BD #4640BD #8540BD

triadic

#4640BD #BD4640 #40BD46

tetradic

#4640BD #BD4079 #B7BD40 #40BD85

square

#4640BD #BD4079 #B7BD40 #40BD85

split-complementary

#4640BD #BD8540 #79BD40

monochromatic

#242162 #35318F #4640BD #716DCD #9E9ADD

Accessibility & contrast

On white

7.70

#4640BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#4640BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4640BD

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4640BD	#FFFFFF	#000000	##FFFFFF
##4640BD	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C1

Deuteranopia (green-blind)

#004EBB

Tritanopia (blue-blind)

#006079

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4640bd;
/* rgb */ color: rgb(70, 64, 189);
/* oklch */ color: oklch(45.9% 0.189 278.0);

Tailwind

colors: {
  custom: {
    50: '#8776d2',
    500: '#4640bd',
    950: '#000000',
  },
}

SCSS

$custom: #4640bd;
$custom-light: #8776d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4640bd",
  "rgb": {
    "r": 70,
    "g": 64,
    "b": 189
  },
  "hsl": {
    "h": 242.88,
    "s": 49.407,
    "l": 49.608
  },
  "oklch": {
    "l": 0.45888,
    "c": 0.18903,
    "h": 278
  },
  "luminance": 0.08643
}

Semantic roles & 50–950 ramp

primary

#4640BD

secondary

#C6C990

accent

#D94FD2

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0D0814

muted

#7D7B83

Preview Lab

Preview with #4640BD

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

Preview Lab → · Contrast checker → · Palette generator →