#4375D5#4375D5

#4375D5 is a mid, vivid blue. Relative luminance 0.187; OKLCH L 57.7% C 0.157 H 262.0°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#4375D5
RGB	rgb(67, 117, 213)
HSL	hsl(219, 63%, 55%)
HSV	hsv(219, 69%, 84%)
CMYK	cmyk(68.5%, 45.1%, 0%, 16.5%)
CIE-LAB	lab(50.36, 14.72, -54.39)
CIE-LCH	lch(50.36, 56.35, 285.15°)
OKLab	oklab(57.68% -0.0219 -0.1556)
OKLCH	oklch(57.68% 0.157 262)
XYZ	xyz(20.6820, 18.7179, 65.4608)
Luminance	0.1872 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4375D5 #D5A343

analogous

#43BED5 #4375D5 #5A43D5

triadic

#4375D5 #D54375 #75D543

tetradic

#4375D5 #D543BE #D5A343 #43D55A

square

#4375D5 #D543BE #D5A343 #43D55A

split-complementary

#4375D5 #D55A43 #BED543

monochromatic

#1D3F81 #2858B3 #4375D5 #759AE0 #A7BEEB

Accessibility & contrast

On white

4.43

#4375D5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#4375D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4375D5

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4375D5	#FFFFFF	#000000	##000000
##4375D5	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#457FD9

Deuteranopia (green-blind)

#2972D3

Tritanopia (blue-blind)

#008B9B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4375d5;
/* rgb */ color: rgb(67, 117, 213);
/* oklch */ color: oklch(57.7% 0.157 262.0);

Tailwind

colors: {
  custom: {
    50: '#879ce2',
    500: '#4375d5',
    950: '#000000',
  },
}

SCSS

$custom: #4375d5;
$custom-light: #879ce2;
$custom-dark: #000000;

JSON

{
  "hex": "#4375d5",
  "rgb": {
    "r": 67,
    "g": 117,
    "b": 213
  },
  "hsl": {
    "h": 219.452,
    "s": 63.478,
    "l": 54.902
  },
  "oklch": {
    "l": 0.57685,
    "c": 0.15718,
    "h": 262
  },
  "luminance": 0.1872
}

Semantic roles & 50–950 ramp

primary

#4375D5

secondary

#D9C49B

accent

#AE41E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4375D5

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

Preview Lab → · Contrast checker → · Palette generator →