#4375E7#4375E7

#4375E7 is a mid, vivid blue. Relative luminance 0.197; OKLCH L 58.9% C 0.181 H 263.9°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#4375E7
RGB	rgb(67, 117, 231)
HSL	hsl(222, 77%, 58%)
HSV	hsv(222, 71%, 91%)
CMYK	cmyk(71%, 49.4%, 0%, 9.4%)
CIE-LAB	lab(51.48, 21.16, -62.74)
CIE-LCH	lch(51.48, 66.21, 288.63°)
OKLab	oklab(58.9% -0.0193 -0.1802)
OKLCH	oklch(58.9% 0.181 263.9)
XYZ	xyz(23.0947, 19.6830, 78.1679)
Luminance	0.1968 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4375E7 #E7B543

analogous

#43C7E7 #4375E7 #6343E7

triadic

#4375E7 #E74375 #75E743

tetradic

#4375E7 #E743C7 #E7B543 #43E763

square

#4375E7 #E743C7 #E7B543 #43E763

split-complementary

#4375E7 #E76343 #C7E743

monochromatic

#143D9C #1B53D2 #4375E7 #799DEE #B0C5F5

Accessibility & contrast

On white

4.25

#4375E7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#4375E7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4375E7

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4375E7	#FFFFFF	#000000	##000000
##4375E7	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3283EB

Deuteranopia (green-blind)

#0074E5

Tritanopia (blue-blind)

#0090A3

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4375e7;
/* rgb */ color: rgb(67, 117, 231);
/* oklch */ color: oklch(58.9% 0.181 263.9);

Tailwind

colors: {
  custom: {
    50: '#8b9cef',
    500: '#4375e7',
    950: '#000000',
  },
}

SCSS

$custom: #4375e7;
$custom-light: #8b9cef;
$custom-dark: #000000;

JSON

{
  "hex": "#4375e7",
  "rgb": {
    "r": 67,
    "g": 117,
    "b": 231
  },
  "hsl": {
    "h": 221.707,
    "s": 77.358,
    "l": 58.431
  },
  "oklch": {
    "l": 0.58904,
    "c": 0.18125,
    "h": 263.9
  },
  "luminance": 0.19685
}

Semantic roles & 50–950 ramp

primary

#4375E7

secondary

#E3D0A2

accent

#B934F4

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4375E7

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

Preview Lab → · Contrast checker → · Palette generator →