#4380CB#4380CB

#4380CB is a mid, vivid cyan. Relative luminance 0.209; OKLCH L 59.5% C 0.132 H 254.8°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#4380CB
RGB	rgb(67, 128, 203)
HSL	hsl(213, 57%, 53%)
HSV	hsv(213, 67%, 80%)
CMYK	cmyk(67%, 36.9%, 0%, 20.4%)
CIE-LAB	lab(52.89, 4.44, -44.68)
CIE-LCH	lch(52.89, 44.90, 275.67°)
OKLab	oklab(59.46% -0.0345 -0.127)
OKLCH	oklch(59.46% 0.132 254.8)
XYZ	xyz(20.8095, 20.9413, 59.4337)
Luminance	0.2094 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4380CB #CB8E43

analogous

#43C4CB #4380CB #4A43CB

triadic

#4380CB #CB4380 #80CB43

tetradic

#4380CB #CB43C4 #CB8E43 #43CB4A

square

#4380CB #CB43C4 #CB8E43 #43CB4A

split-complementary

#4380CB #CB4A43 #C4CB43

monochromatic

#204574 #2D62A4 #4380CB #73A0D8 #A3C1E6

Accessibility & contrast

On white

4.05

#4380CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#4380CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4380CB

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4380CB	#FFFFFF	#000000	##000000
##4380CB	1.00	4.05	5.19	5.19
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F85CE

Deuteranopia (green-blind)

#4B78C9

Tritanopia (blue-blind)

#00919C

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4380cb;
/* rgb */ color: rgb(67, 128, 203);
/* oklch */ color: oklch(59.5% 0.132 254.8);

Tailwind

colors: {
  custom: {
    50: '#85a4db',
    500: '#4380cb',
    950: '#000000',
  },
}

SCSS

$custom: #4380cb;
$custom-light: #85a4db;
$custom-dark: #000000;

JSON

{
  "hex": "#4380cb",
  "rgb": {
    "r": 67,
    "g": 128,
    "b": 203
  },
  "hsl": {
    "h": 213.088,
    "s": 56.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.59464,
    "c": 0.13159,
    "h": 254.8
  },
  "luminance": 0.20943
}

Semantic roles & 50–950 ramp

primary

#4380CB

secondary

#D2B898

accent

#9C48E0

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4380CB

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

Preview Lab → · Contrast checker → · Palette generator →