#4375D6#4375D6

#4375D6 is a mid, vivid blue. Relative luminance 0.188; OKLCH L 57.8% C 0.159 H 262.1°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#4375D6
RGB	rgb(67, 117, 214)
HSL	hsl(220, 64%, 55%)
HSV	hsv(220, 69%, 84%)
CMYK	cmyk(68.7%, 45.3%, 0%, 16.1%)
CIE-LAB	lab(50.42, 15.08, -54.86)
CIE-LCH	lch(50.42, 56.90, 285.37°)
OKLab	oklab(57.75% -0.0217 -0.157)
OKLCH	oklch(57.75% 0.159 262.1)
XYZ	xyz(20.8093, 18.7688, 66.1314)
Luminance	0.1877 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4375D6 #D6A443

analogous

#43BED6 #4375D6 #5B43D6

triadic

#4375D6 #D64375 #75D643

tetradic

#4375D6 #D643BE #D6A443 #43D65B

square

#4375D6 #D643BE #D6A443 #43D65B

split-complementary

#4375D6 #D65B43 #BED643

monochromatic

#1C3F82 #2757B4 #4375D6 #759AE1 #A7BFEC

Accessibility & contrast

On white

4.42

#4375D6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#4375D6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4375D6

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4375D6	#FFFFFF	#000000	##000000
##4375D6	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#447FDA

Deuteranopia (green-blind)

#2772D4

Tritanopia (blue-blind)

#008C9B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4375d6;
/* rgb */ color: rgb(67, 117, 214);
/* oklch */ color: oklch(57.8% 0.159 262.1);

Tailwind

colors: {
  custom: {
    50: '#879ce3',
    500: '#4375d6',
    950: '#000000',
  },
}

SCSS

$custom: #4375d6;
$custom-light: #879ce3;
$custom-dark: #000000;

JSON

{
  "hex": "#4375d6",
  "rgb": {
    "r": 67,
    "g": 117,
    "b": 214
  },
  "hsl": {
    "h": 219.592,
    "s": 64.192,
    "l": 55.098
  },
  "oklch": {
    "l": 0.57751,
    "c": 0.15853,
    "h": 262.1
  },
  "luminance": 0.18771
}

Semantic roles & 50–950 ramp

primary

#4375D6

secondary

#D9C49C

accent

#AF41E7

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0D0E15

muted

#7D7E84

Preview Lab

Preview with #4375D6

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

Preview Lab → · Contrast checker → · Palette generator →