#4380CC#4380CC

#4380CC is a mid, vivid cyan. Relative luminance 0.210; OKLCH L 59.5% C 0.133 H 255.1°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#4380CC
RGB	rgb(67, 128, 204)
HSL	hsl(213, 57%, 53%)
HSV	hsv(213, 67%, 80%)
CMYK	cmyk(67.2%, 37.3%, 0%, 20%)
CIE-LAB	lab(52.94, 4.79, -45.17)
CIE-LCH	lch(52.94, 45.42, 276.05°)
OKLab	oklab(59.52% -0.0342 -0.1284)
OKLCH	oklch(59.52% 0.133 255.1)
XYZ	xyz(20.9290, 20.9891, 60.0634)
Luminance	0.2099 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4380CC #CC8F43

analogous

#43C4CC #4380CC #4A43CC

triadic

#4380CC #CC4380 #80CC43

tetradic

#4380CC #CC43C4 #CC8F43 #43CC4A

square

#4380CC #CC43C4 #CC8F43 #43CC4A

split-complementary

#4380CC #CC4A43 #C4CC43

monochromatic

#204675 #2D62A5 #4380CC #73A1D9 #A3C1E6

Accessibility & contrast

On white

4.04

#4380CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#4380CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4380CC

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4380CC	#FFFFFF	#000000	##000000
##4380CC	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E85CF

Deuteranopia (green-blind)

#4A79CA

Tritanopia (blue-blind)

#00929C

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4380cc;
/* rgb */ color: rgb(67, 128, 204);
/* oklch */ color: oklch(59.5% 0.133 255.1);

Tailwind

colors: {
  custom: {
    50: '#85a4dc',
    500: '#4380cc',
    950: '#000000',
  },
}

SCSS

$custom: #4380cc;
$custom-light: #85a4dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4380cc",
  "rgb": {
    "r": 67,
    "g": 128,
    "b": 204
  },
  "hsl": {
    "h": 213.285,
    "s": 57.322,
    "l": 53.137
  },
  "oklch": {
    "l": 0.59522,
    "c": 0.1329,
    "h": 255.1
  },
  "luminance": 0.20991
}

Semantic roles & 50–950 ramp

primary

#4380CC

secondary

#D3B998

accent

#9C47E1

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4380CC

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

Preview Lab → · Contrast checker → · Palette generator →