#4380E5#4380E5

#4380E5 is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.1% C 0.166 H 259.9°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#4380E5
RGB	rgb(67, 128, 229)
HSL	hsl(217, 76%, 58%)
HSV	hsv(217, 71%, 90%)
CMYK	cmyk(70.7%, 44.1%, 0%, 10.2%)
CIE-LAB	lab(54.33, 13.64, -57.04)
CIE-LCH	lch(54.33, 58.65, 283.45°)
OKLab	oklab(61.05% -0.029 -0.1632)
OKLCH	oklch(61.05% 0.166 259.9)
XYZ	xyz(24.1717, 22.2862, 77.1413)
Luminance	0.2229 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4380E5 #E5A843

analogous

#43D1E5 #4380E5 #5743E5

triadic

#4380E5 #E54380 #80E543

tetradic

#4380E5 #E543D1 #E5A843 #43E557

square

#4380E5 #E543D1 #E5A843 #43E557

split-complementary

#4380E5 #E55743 #D1E543

monochromatic

#154799 #1D5FCE #4380E5 #79A4EC #AFC9F4

Accessibility & contrast

On white

3.85

#4380E5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#4380E5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4380E5

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4380E5	#FFFFFF	#000000	##000000
##4380E5	1.00	3.85	5.46	5.46
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E8AE9

Deuteranopia (green-blind)

#2E7BE3

Tritanopia (blue-blind)

#0098A7

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4380e5;
/* rgb */ color: rgb(67, 128, 229);
/* oklch */ color: oklch(61.1% 0.166 259.9);

Tailwind

colors: {
  custom: {
    50: '#8aa4ee',
    500: '#4380e5',
    950: '#000000',
  },
}

SCSS

$custom: #4380e5;
$custom-light: #8aa4ee;
$custom-dark: #000000;

JSON

{
  "hex": "#4380e5",
  "rgb": {
    "r": 67,
    "g": 128,
    "b": 229
  },
  "hsl": {
    "h": 217.407,
    "s": 75.701,
    "l": 58.039
  },
  "oklch": {
    "l": 0.61052,
    "c": 0.1658,
    "h": 259.9
  },
  "luminance": 0.22289
}

Semantic roles & 50–950 ramp

primary

#4380E5

secondary

#E2CAA2

accent

#AB36F2

background

#F9FAFE

surface

#F1F3FD

border

#CBCDD5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4380E5

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

Preview Lab → · Contrast checker → · Palette generator →