#4370F4#4370F4

#4370F4 is a mid, highly saturated blue. Relative luminance 0.193; OKLCH L 58.9% C 0.204 H 266.0°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#4370F4
RGB	rgb(67, 112, 244)
HSL	hsl(225, 89%, 61%)
HSV	hsv(225, 73%, 96%)
CMYK	cmyk(72.5%, 54.1%, 0%, 4.3%)
CIE-LAB	lab(51.05, 28.91, -70.70)
CIE-LCH	lch(51.05, 76.39, 292.24°)
OKLab	oklab(58.86% -0.0142 -0.2037)
OKLCH	oklch(58.86% 0.204 266)
XYZ	xyz(24.4323, 19.3107, 88.0101)
Luminance	0.1931 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4370F4 #F4C743

analogous

#43C8F4 #4370F4 #6E43F4

triadic

#4370F4 #F44370 #70F443

tetradic

#4370F4 #F443C8 #F4C743 #43F46E

square

#4370F4 #F443C8 #F4C743 #43F46E

split-complementary

#4370F4 #F46E43 #C8F443

monochromatic

#0A35B2 #0E46EC #4370F4 #7D9CF7 #B7C8FB

Accessibility & contrast

On white

4.32

#4370F4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#4370F4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4370F4

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4370F4	#FFFFFF	#000000	##000000
##4370F4	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0082F9

Deuteranopia (green-blind)

#0072F1

Tritanopia (blue-blind)

#0090A7

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4370f4;
/* rgb */ color: rgb(67, 112, 244);
/* oklch */ color: oklch(58.9% 0.204 266.0);

Tailwind

colors: {
  custom: {
    50: '#8d98f9',
    500: '#4370f4',
    950: '#000000',
  },
}

SCSS

$custom: #4370f4;
$custom-light: #8d98f9;
$custom-dark: #000000;

JSON

{
  "hex": "#4370f4",
  "rgb": {
    "r": 67,
    "g": 112,
    "b": 244
  },
  "hsl": {
    "h": 224.746,
    "s": 88.945,
    "l": 60.98
  },
  "oklch": {
    "l": 0.58858,
    "c": 0.20421,
    "h": 266
  },
  "luminance": 0.19313
}

Semantic roles & 50–950 ramp

primary

#4370F4

secondary

#EBDAA8

accent

#AB00E6

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #4370F4

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

Preview Lab → · Contrast checker → · Palette generator →