#4371C1#4371C1

#4371C1 is a mid, vivid blue. Relative luminance 0.169; OKLCH L 55.5% C 0.135 H 260.7°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#4371C1
RGB	rgb(67, 113, 193)
HSL	hsl(218, 50%, 51%)
HSV	hsv(218, 65%, 76%)
CMYK	cmyk(65.3%, 41.5%, 0%, 24.3%)
CIE-LAB	lab(48.07, 10.11, -46.61)
CIE-LCH	lch(48.07, 47.70, 282.24°)
OKLab	oklab(55.55% -0.0218 -0.1328)
OKLCH	oklch(55.55% 0.135 260.7)
XYZ	xyz(17.8421, 16.8521, 52.7542)
Luminance	0.1685 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4371C1 #C19343

analogous

#43B0C1 #4371C1 #5443C1

triadic

#4371C1 #C14371 #71C143

tetradic

#4371C1 #C143B0 #C19343 #43C154

square

#4371C1 #C143B0 #C19343 #43C154

split-complementary

#4371C1 #C15443 #B0C143

monochromatic

#223B67 #315695 #4371C1 #7194D0 #9FB7DF

Accessibility & contrast

On white

4.80

#4371C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#4371C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4371C1

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4371C1	#FFFFFF	#000000	##FFFFFF
##4371C1	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C78C4

Deuteranopia (green-blind)

#396DBF

Tritanopia (blue-blind)

#00838F

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4371c1;
/* rgb */ color: rgb(67, 113, 193);
/* oklch */ color: oklch(55.5% 0.135 260.7);

Tailwind

colors: {
  custom: {
    50: '#8499d4',
    500: '#4371c1',
    950: '#000000',
  },
}

SCSS

$custom: #4371c1;
$custom-light: #8499d4;
$custom-dark: #000000;

JSON

{
  "hex": "#4371c1",
  "rgb": {
    "r": 67,
    "g": 113,
    "b": 193
  },
  "hsl": {
    "h": 218.095,
    "s": 50.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.55548,
    "c": 0.13462,
    "h": 260.7
  },
  "luminance": 0.16854
}

Semantic roles & 50–950 ramp

primary

#4371C1

secondary

#CCB794

accent

#A74EDA

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #4371C1

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

Preview Lab → · Contrast checker → · Palette generator →