#4375C7#4375C7

#4375C7 is a mid, vivid blue. Relative luminance 0.180; OKLCH L 56.8% C 0.138 H 259.8°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#4375C7
RGB	rgb(67, 117, 199)
HSL	hsl(217, 54%, 52%)
HSV	hsv(217, 66%, 78%)
CMYK	cmyk(66.3%, 41.2%, 0%, 22%)
CIE-LAB	lab(49.54, 9.75, -47.72)
CIE-LCH	lch(49.54, 48.70, 281.55°)
OKLab	oklab(56.79% -0.0245 -0.136)
OKLCH	oklch(56.79% 0.138 259.8)
XYZ	xyz(18.9812, 18.0375, 56.5030)
Luminance	0.1804 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4375C7 #C79543

analogous

#43B7C7 #4375C7 #5343C7

triadic

#4375C7 #C74375 #75C743

tetradic

#4375C7 #C743B7 #C79543 #43C753

square

#4375C7 #C743B7 #C79543 #43C753

split-complementary

#4375C7 #C75343 #B7C743

monochromatic

#213E6F #2F599E #4375C7 #7298D5 #A1BAE3

Accessibility & contrast

On white

4.56

#4375C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#4375C7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4375C7

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4375C7	#FFFFFF	#000000	##000000
##4375C7	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F7CCA

Deuteranopia (green-blind)

#3B70C5

Tritanopia (blue-blind)

#008894

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4375c7;
/* rgb */ color: rgb(67, 117, 199);
/* oklch */ color: oklch(56.8% 0.138 259.8);

Tailwind

colors: {
  custom: {
    50: '#859cd8',
    500: '#4375c7',
    950: '#000000',
  },
}

SCSS

$custom: #4375c7;
$custom-light: #859cd8;
$custom-dark: #000000;

JSON

{
  "hex": "#4375c7",
  "rgb": {
    "r": 67,
    "g": 117,
    "b": 199
  },
  "hsl": {
    "h": 217.273,
    "s": 54.098,
    "l": 52.157
  },
  "oklch": {
    "l": 0.56794,
    "c": 0.13823,
    "h": 259.8
  },
  "luminance": 0.18039
}

Semantic roles & 50–950 ramp

primary

#4375C7

secondary

#D0BA96

accent

#A64ADD

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4375C7

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

Preview Lab → · Contrast checker → · Palette generator →