#4075E3#4075E3

#4075E3 is a mid, vivid blue. Relative luminance 0.194; OKLCH L 58.5% C 0.177 H 262.8°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#4075E3
RGB	rgb(64, 117, 227)
HSL	hsl(220, 74%, 57%)
HSV	hsv(220, 72%, 89%)
CMYK	cmyk(71.8%, 48.5%, 0%, 11%)
CIE-LAB	lab(51.10, 19.32, -61.11)
CIE-LCH	lch(51.10, 64.09, 287.54°)
OKLab	oklab(58.5% -0.0221 -0.1755)
OKLCH	oklch(58.5% 0.177 262.8)
XYZ	xyz(22.3358, 19.3562, 75.2171)
Luminance	0.1936 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4075E3 #E3AE40

analogous

#40C6E3 #4075E3 #5D40E3

triadic

#4075E3 #E34075 #75E340

tetradic

#4075E3 #E340C6 #E3AE40 #40E35D

square

#4075E3 #E340C6 #E3AE40 #40E35D

split-complementary

#4075E3 #E35D40 #C6E340

monochromatic

#163E93 #1D55C8 #4075E3 #759CEB #ABC2F3

Accessibility & contrast

On white

4.31

#4075E3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#4075E3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4075E3

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4075E3	#FFFFFF	#000000	##000000
##4075E3	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3782E7

Deuteranopia (green-blind)

#0073E1

Tritanopia (blue-blind)

#008FA1

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4075e3;
/* rgb */ color: rgb(64, 117, 227);
/* oklch */ color: oklch(58.5% 0.177 262.8);

Tailwind

colors: {
  custom: {
    50: '#899cec',
    500: '#4075e3',
    950: '#000000',
  },
}

SCSS

$custom: #4075e3;
$custom-light: #899cec;
$custom-dark: #000000;

JSON

{
  "hex": "#4075e3",
  "rgb": {
    "r": 64,
    "g": 117,
    "b": 227
  },
  "hsl": {
    "h": 220.491,
    "s": 74.429,
    "l": 57.059
  },
  "oklch": {
    "l": 0.58502,
    "c": 0.17685,
    "h": 262.8
  },
  "luminance": 0.19359
}

Semantic roles & 50–950 ramp

primary

#4075E3

secondary

#E1CB9E

accent

#B437F1

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4075E3

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

Preview Lab → · Contrast checker → · Palette generator →