#4380FF#4380FF

#4380FF is a light, vivid blue. Relative luminance 0.239; OKLCH L 62.8% C 0.200 H 262.7°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#4380FF
RGB	rgb(67, 128, 255)
HSL	hsl(221, 100%, 63%)
HSV	hsv(221, 74%, 100%)
CMYK	cmyk(73.7%, 49.8%, 0%, 0%)
CIE-LAB	lab(55.94, 22.93, -68.88)
CIE-LCH	lch(55.94, 72.60, 288.41°)
OKLab	oklab(62.8% -0.0252 -0.1981)
OKLCH	oklch(62.8% 0.2 262.7)
XYZ	xyz(28.0775, 23.8485, 97.7118)
Luminance	0.2385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4380FF #FFC243

analogous

#43DEFF #4380FF #6443FF

triadic

#4380FF #FF4380 #80FF43

tetradic

#4380FF #FF43DE #FFC243 #43FF64

square

#4380FF #FF43DE #FFC243 #43FF64

split-complementary

#4380FF #FF6443 #DEFF43

monochromatic

#0041C8 #0657FF #4380FF #80A9FF #BDD3FF

Accessibility & contrast

On white

3.64

#4380FF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.77

#4380FF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4380FF

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4380FF	#FFFFFF	#000000	##000000
##4380FF	1.00	3.64	5.77	5.77
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.77	21.00	1.00	1.00
##000000	5.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#318FFF

Deuteranopia (green-blind)

#007EFC

Tritanopia (blue-blind)

#009EB3

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #4380ff;
/* rgb */ color: rgb(67, 128, 255);
/* oklch */ color: oklch(62.8% 0.200 262.7);

Tailwind

colors: {
  custom: {
    50: '#8fa4ff',
    500: '#4380ff',
    950: '#000000',
  },
}

SCSS

$custom: #4380ff;
$custom-light: #8fa4ff;
$custom-dark: #000000;

JSON

{
  "hex": "#4380ff",
  "rgb": {
    "r": 67,
    "g": 128,
    "b": 255
  },
  "hsl": {
    "h": 220.532,
    "s": 100,
    "l": 63.137
  },
  "oklch": {
    "l": 0.62799,
    "c": 0.19971,
    "h": 262.7
  },
  "luminance": 0.23852
}

Semantic roles & 50–950 ramp

primary

#4380FF

secondary

#F1DBAD

accent

#9B00E6

background

#F9FAFF

surface

#F2F3FF

border

#CCCDD7

text

#0E0F18

muted

#7E7F86

Preview Lab

Preview with #4380FF

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

Preview Lab → · Contrast checker → · Palette generator →