#4371F4#4371F4

#4371F4 is a mid, highly saturated blue. Relative luminance 0.195; OKLCH L 59.1% C 0.203 H 265.8°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#4371F4
RGB	rgb(67, 113, 244)
HSL	hsl(224, 89%, 61%)
HSV	hsv(224, 73%, 96%)
CMYK	cmyk(72.5%, 53.7%, 0%, 4.3%)
CIE-LAB	lab(51.30, 28.29, -70.29)
CIE-LCH	lch(51.30, 75.77, 291.92°)
OKLab	oklab(59.05% -0.0149 -0.2025)
OKLCH	oklch(59.05% 0.203 265.8)
XYZ	xyz(24.5433, 19.5326, 88.0471)
Luminance	0.1953 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4371F4 #F4C643

analogous

#43C9F4 #4371F4 #6D43F4

triadic

#4371F4 #F44371 #71F443

tetradic

#4371F4 #F443C9 #F4C643 #43F46D

square

#4371F4 #F443C9 #F4C643 #43F46D

split-complementary

#4371F4 #F46D43 #C9F443

monochromatic

#0A36B2 #0E48EC #4371F4 #7D9DF7 #B7C8FB

Accessibility & contrast

On white

4.28

#4371F4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#4371F4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4371F4

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4371F4	#FFFFFF	#000000	##000000
##4371F4	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0083F9

Deuteranopia (green-blind)

#0072F1

Tritanopia (blue-blind)

#0091A8

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4371f4;
/* rgb */ color: rgb(67, 113, 244);
/* oklch */ color: oklch(59.1% 0.203 265.8);

Tailwind

colors: {
  custom: {
    50: '#8d99f9',
    500: '#4371f4',
    950: '#000000',
  },
}

SCSS

$custom: #4371f4;
$custom-light: #8d99f9;
$custom-dark: #000000;

JSON

{
  "hex": "#4371f4",
  "rgb": {
    "r": 67,
    "g": 113,
    "b": 244
  },
  "hsl": {
    "h": 224.407,
    "s": 88.945,
    "l": 60.98
  },
  "oklch": {
    "l": 0.59051,
    "c": 0.20303,
    "h": 265.8
  },
  "luminance": 0.19535
}

Semantic roles & 50–950 ramp

primary

#4371F4

secondary

#EBD9A8

accent

#AA00E6

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #4371F4

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

Preview Lab → · Contrast checker → · Palette generator →