#4640E3#4640E3

#4640E3 is a mid, highly saturated blue. Relative luminance 0.105; OKLCH L 49.4% C 0.236 H 275.1°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#4640E3
RGB	rgb(70, 64, 227)
HSL	hsl(242, 74%, 57%)
HSV	hsv(242, 72%, 89%)
CMYK	cmyk(69.2%, 71.8%, 0%, 11%)
CIE-LAB	lab(38.75, 52.31, -81.23)
CIE-LCH	lch(38.75, 96.62, 302.78°)
OKLab	oklab(49.43% 0.0209 -0.2348)
OKLCH	oklch(49.43% 0.236 275.1)
XYZ	xyz(18.2197, 10.5132, 73.7272)
Luminance	0.1051 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 4.05

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4640E3 #DDE340

analogous

#408BE3 #4640E3 #9840E3

triadic

#4640E3 #E34640 #40E346

tetradic

#4640E3 #E3408B #DDE340 #40E398

square

#4640E3 #E3408B #DDE340 #40E398

split-complementary

#4640E3 #E39840 #8BE340

monochromatic

#1A1693 #241DC8 #4640E3 #7A75EB #ADABF3

Accessibility & contrast

On white

6.77

#4640E3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#4640E3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4640E3

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4640E3	#FFFFFF	#000000	##FFFFFF
##4640E3	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063E8

Deuteranopia (green-blind)

#0054E0

Tritanopia (blue-blind)

#006E8E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4640e3;
/* rgb */ color: rgb(70, 64, 227);
/* oklch */ color: oklch(49.4% 0.236 275.1);

Tailwind

colors: {
  custom: {
    50: '#8e77ed',
    500: '#4640e3',
    950: '#000000',
  },
}

SCSS

$custom: #4640e3;
$custom-light: #8e77ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4640e3",
  "rgb": {
    "r": 70,
    "g": 64,
    "b": 227
  },
  "hsl": {
    "h": 242.209,
    "s": 74.429,
    "l": 57.059
  },
  "oklch": {
    "l": 0.49427,
    "c": 0.23576,
    "h": 275.1
  },
  "luminance": 0.10515
}

Semantic roles & 50–950 ramp

primary

#4640E3

secondary

#DEE19E

accent

#F137EA

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4640E3

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

Preview Lab → · Contrast checker → · Palette generator →