#4380E0#4380E0

#4380E0 is a mid, vivid blue. Relative luminance 0.220; OKLCH L 60.7% C 0.159 H 259.2°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#4380E0
RGB	rgb(67, 128, 224)
HSL	hsl(217, 72%, 57%)
HSV	hsv(217, 70%, 88%)
CMYK	cmyk(70.1%, 42.9%, 0%, 12.2%)
CIE-LAB	lab(54.04, 11.86, -54.70)
CIE-LCH	lch(54.04, 55.97, 282.23°)
OKLab	oklab(60.73% -0.0299 -0.1564)
OKLCH	oklch(60.73% 0.159 259.2)
XYZ	xyz(23.4836, 22.0110, 73.5175)
Luminance	0.2201 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4380E0 #E0A343

analogous

#43CEE0 #4380E0 #5543E0

triadic

#4380E0 #E04380 #80E043

tetradic

#4380E0 #E043CE #E0A343 #43E055

square

#4380E0 #E043CE #E0A343 #43E055

split-complementary

#4380E0 #E05543 #CEE043

monochromatic

#184791 #2161C5 #4380E0 #78A3E9 #ACC7F1

Accessibility & contrast

On white

3.89

#4380E0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#4380E0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4380E0

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4380E0	#FFFFFF	#000000	##000000
##4380E0	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5189E4

Deuteranopia (green-blind)

#367ADE

Tritanopia (blue-blind)

#0096A5

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4380e0;
/* rgb */ color: rgb(67, 128, 224);
/* oklch */ color: oklch(60.7% 0.159 259.2);

Tailwind

colors: {
  custom: {
    50: '#89a4ea',
    500: '#4380e0',
    950: '#000000',
  },
}

SCSS

$custom: #4380e0;
$custom-light: #89a4ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4380e0",
  "rgb": {
    "r": 67,
    "g": 128,
    "b": 224
  },
  "hsl": {
    "h": 216.688,
    "s": 71.689,
    "l": 57.059
  },
  "oklch": {
    "l": 0.60734,
    "c": 0.15922,
    "h": 259.2
  },
  "luminance": 0.22013
}

Semantic roles & 50–950 ramp

primary

#4380E0

secondary

#DFC79F

accent

#A839EE

background

#F9FAFE

surface

#F1F3FD

border

#CBCDD5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4380E0

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

Preview Lab → · Contrast checker → · Palette generator →