#4371C2#4371C2

#4371C2 is a mid, vivid blue. Relative luminance 0.169; OKLCH L 55.6% C 0.136 H 260.9°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#4371C2
RGB	rgb(67, 113, 194)
HSL	hsl(218, 51%, 51%)
HSV	hsv(218, 65%, 76%)
CMYK	cmyk(65.5%, 41.8%, 0%, 23.9%)
CIE-LAB	lab(48.13, 10.47, -47.10)
CIE-LCH	lch(48.13, 48.25, 282.53°)
OKLab	oklab(55.61% -0.0216 -0.1343)
OKLCH	oklch(55.61% 0.136 260.9)
XYZ	xyz(17.9540, 16.8969, 53.3437)
Luminance	0.1690 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4371C2 #C29443

analogous

#43B0C2 #4371C2 #5443C2

triadic

#4371C2 #C24371 #71C243

tetradic

#4371C2 #C243B0 #C29443 #43C254

square

#4371C2 #C243B0 #C29443 #43C254

split-complementary

#4371C2 #C25443 #B0C243

monochromatic

#223C69 #315697 #4371C2 #7194D1 #9FB7E0

Accessibility & contrast

On white

4.79

#4371C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#4371C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4371C2

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4371C2	#FFFFFF	#000000	##FFFFFF
##4371C2	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C79C5

Deuteranopia (green-blind)

#386DC0

Tritanopia (blue-blind)

#008490

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4371c2;
/* rgb */ color: rgb(67, 113, 194);
/* oklch */ color: oklch(55.6% 0.136 260.9);

Tailwind

colors: {
  custom: {
    50: '#8499d5',
    500: '#4371c2',
    950: '#000000',
  },
}

SCSS

$custom: #4371c2;
$custom-light: #8499d5;
$custom-dark: #000000;

JSON

{
  "hex": "#4371c2",
  "rgb": {
    "r": 67,
    "g": 113,
    "b": 194
  },
  "hsl": {
    "h": 218.268,
    "s": 51.004,
    "l": 51.176
  },
  "oklch": {
    "l": 0.5561,
    "c": 0.136,
    "h": 260.9
  },
  "luminance": 0.16899
}

Semantic roles & 50–950 ramp

primary

#4371C2

secondary

#CCB894

accent

#A74DDA

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #4371C2

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

Preview Lab → · Contrast checker → · Palette generator →