#4375C3#4375C3

#4375C3 is a mid, vivid blue. Relative luminance 0.179; OKLCH L 56.5% C 0.133 H 259.0°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#4375C3
RGB	rgb(67, 117, 195)
HSL	hsl(217, 52%, 51%)
HSV	hsv(217, 66%, 76%)
CMYK	cmyk(65.6%, 40%, 0%, 23.5%)
CIE-LAB	lab(49.32, 8.34, -45.78)
CIE-LCH	lch(49.32, 46.53, 280.32°)
OKLab	oklab(56.55% -0.0254 -0.1303)
OKLCH	oklch(56.55% 0.133 259)
XYZ	xyz(18.5228, 17.8542, 54.0892)
Luminance	0.1786 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4375C3 #C39143

analogous

#43B5C3 #4375C3 #5143C3

triadic

#4375C3 #C34375 #75C343

tetradic

#4375C3 #C343B5 #C39143 #43C351

square

#4375C3 #C343B5 #C39143 #43C351

split-complementary

#4375C3 #C35143 #B5C343

monochromatic

#223E6A #315998 #4375C3 #7197D2 #A0B9E1

Accessibility & contrast

On white

4.59

#4375C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#4375C3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4375C3

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4375C3	#FFFFFF	#000000	##FFFFFF
##4375C3	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#527CC6

Deuteranopia (green-blind)

#3F70C1

Tritanopia (blue-blind)

#008792

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4375c3;
/* rgb */ color: rgb(67, 117, 195);
/* oklch */ color: oklch(56.5% 0.133 259.0);

Tailwind

colors: {
  custom: {
    50: '#849cd5',
    500: '#4375c3',
    950: '#000000',
  },
}

SCSS

$custom: #4375c3;
$custom-light: #849cd5;
$custom-dark: #000000;

JSON

{
  "hex": "#4375c3",
  "rgb": {
    "r": 67,
    "g": 117,
    "b": 195
  },
  "hsl": {
    "h": 216.563,
    "s": 51.613,
    "l": 51.373
  },
  "oklch": {
    "l": 0.56549,
    "c": 0.13279,
    "h": 259
  },
  "luminance": 0.17856
}

Semantic roles & 50–950 ramp

primary

#4375C3

secondary

#CDB795

accent

#A34DDB

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4375C3

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

Preview Lab → · Contrast checker → · Palette generator →