#4080CB#4080CB

#4080CB is a mid, vivid cyan. Relative luminance 0.208; OKLCH L 59.3% C 0.133 H 254.0°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#4080CB
RGB	rgb(64, 128, 203)
HSL	hsl(212, 57%, 52%)
HSV	hsv(212, 68%, 80%)
CMYK	cmyk(68.5%, 36.9%, 0%, 20.4%)
CIE-LAB	lab(52.77, 3.95, -44.87)
CIE-LCH	lch(52.77, 45.04, 275.04°)
OKLab	oklab(59.34% -0.0366 -0.1276)
OKLCH	oklch(59.34% 0.133 254)
XYZ	xyz(20.6091, 20.8380, 59.4243)
Luminance	0.2084 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4080CB #CB8B40

analogous

#40C6CB #4080CB #4540CB

triadic

#4080CB #CB4080 #80CB40

tetradic

#4080CB #CB40C6 #CB8B40 #40CB45

square

#4080CB #CB40C6 #CB8B40 #40CB45

split-complementary

#4080CB #CB4540 #C6CB40

monochromatic

#1F4572 #2C62A2 #4080CB #70A0D8 #A0C0E5

Accessibility & contrast

On white

4.06

#4080CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#4080CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4080CB

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4080CB	#FFFFFF	#000000	##000000
##4080CB	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E85CE

Deuteranopia (green-blind)

#4A78C9

Tritanopia (blue-blind)

#00919C

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4080cb;
/* rgb */ color: rgb(64, 128, 203);
/* oklch */ color: oklch(59.3% 0.133 254.0);

Tailwind

colors: {
  custom: {
    50: '#84a4db',
    500: '#4080cb',
    950: '#000000',
  },
}

SCSS

$custom: #4080cb;
$custom-light: #84a4db;
$custom-dark: #000000;

JSON

{
  "hex": "#4080cb",
  "rgb": {
    "r": 64,
    "g": 128,
    "b": 203
  },
  "hsl": {
    "h": 212.374,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.59343,
    "c": 0.13274,
    "h": 254
  },
  "luminance": 0.2084
}

Semantic roles & 50–950 ramp

primary

#4080CB

secondary

#D2B695

accent

#9A47E0

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4080CB

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

Preview Lab → · Contrast checker → · Palette generator →