#4640D3#4640D3

#4640D3 is a mid, highly saturated blue. Relative luminance 0.097; OKLCH L 47.9% C 0.217 H 276.2°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#4640D3
RGB	rgb(70, 64, 211)
HSL	hsl(242, 63%, 54%)
HSV	hsv(242, 70%, 83%)
CMYK	cmyk(66.8%, 69.7%, 0%, 17.3%)
CIE-LAB	lab(37.24, 47.22, -74.53)
CIE-LCH	lch(37.24, 88.23, 302.36°)
OKLab	oklab(47.9% 0.0235 -0.2153)
OKLCH	oklch(47.9% 0.217 276.2)
XYZ	xyz(16.1132, 9.6706, 62.6328)
Luminance	0.0967 (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

#4640D3 #CDD340

analogous

#4084D3 #4640D3 #9040D3

triadic

#4640D3 #D34640 #40D346

tetradic

#4640D3 #D34084 #CDD340 #40D390

square

#4640D3 #D34084 #CDD340 #40D390

split-complementary

#4640D3 #D39040 #84D340

monochromatic

#201D7C #2D28AE #4640D3 #7672DE #A6A3EA

Accessibility & contrast

On white

7.16

#4640D3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#4640D3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4640D3

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4640D3	#FFFFFF	#000000	##FFFFFF
##4640D3	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ED7

Deuteranopia (green-blind)

#0051D0

Tritanopia (blue-blind)

#006885

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4640d3;
/* rgb */ color: rgb(70, 64, 211);
/* oklch */ color: oklch(47.9% 0.217 276.2);

Tailwind

colors: {
  custom: {
    50: '#8b76e2',
    500: '#4640d3',
    950: '#000000',
  },
}

SCSS

$custom: #4640d3;
$custom-light: #8b76e2;
$custom-dark: #000000;

JSON

{
  "hex": "#4640d3",
  "rgb": {
    "r": 70,
    "g": 64,
    "b": 211
  },
  "hsl": {
    "h": 242.449,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.47899,
    "c": 0.21655,
    "h": 276.2
  },
  "luminance": 0.09672
}

Semantic roles & 50–950 ramp

primary

#4640D3

secondary

#D4D798

accent

#E642DF

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0E0815

muted

#7E7B84

Preview Lab

Preview with #4640D3

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

Preview Lab → · Contrast checker → · Palette generator →