#4375C8#4375C8

#4375C8 is a mid, vivid blue. Relative luminance 0.181; OKLCH L 56.9% C 0.140 H 260.0°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#4375C8
RGB	rgb(67, 117, 200)
HSL	hsl(217, 55%, 52%)
HSV	hsv(217, 67%, 78%)
CMYK	cmyk(66.5%, 41.5%, 0%, 21.6%)
CIE-LAB	lab(49.60, 10.10, -48.20)
CIE-LCH	lch(49.60, 49.25, 281.84°)
OKLab	oklab(56.86% -0.0243 -0.1374)
OKLCH	oklch(56.86% 0.14 260)
XYZ	xyz(19.0976, 18.0841, 57.1165)
Luminance	0.1809 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4375C8 #C89643

analogous

#43B7C8 #4375C8 #5443C8

triadic

#4375C8 #C84375 #75C843

tetradic

#4375C8 #C843B7 #C89643 #43C854

square

#4375C8 #C843B7 #C89643 #43C854

split-complementary

#4375C8 #C85443 #B7C843

monochromatic

#213E70 #2F599F #4375C8 #7298D6 #A2BBE4

Accessibility & contrast

On white

4.55

#4375C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#4375C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4375C8

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4375C8	#FFFFFF	#000000	##000000
##4375C8	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F7DCB

Deuteranopia (green-blind)

#3A70C6

Tritanopia (blue-blind)

#008895

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4375c8;
/* rgb */ color: rgb(67, 117, 200);
/* oklch */ color: oklch(56.9% 0.140 260.0);

Tailwind

colors: {
  custom: {
    50: '#859cd9',
    500: '#4375c8',
    950: '#000000',
  },
}

SCSS

$custom: #4375c8;
$custom-light: #859cd9;
$custom-dark: #000000;

JSON

{
  "hex": "#4375c8",
  "rgb": {
    "r": 67,
    "g": 117,
    "b": 200
  },
  "hsl": {
    "h": 217.444,
    "s": 54.733,
    "l": 52.353
  },
  "oklch": {
    "l": 0.56856,
    "c": 0.13958,
    "h": 260
  },
  "luminance": 0.18086
}

Semantic roles & 50–950 ramp

primary

#4375C8

secondary

#D0BB96

accent

#A64ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4375C8

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

Preview Lab → · Contrast checker → · Palette generator →