#4080B9#4080B9

#4080B9 is a mid, moderate cyan. Relative luminance 0.200; OKLCH L 58.3% C 0.110 H 247.8°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#4080B9
RGB	rgb(64, 128, 185)
HSL	hsl(208, 49%, 49%)
HSV	hsv(208, 65%, 73%)
CMYK	cmyk(65.4%, 30.8%, 0%, 27.5%)
CIE-LAB	lab(51.87, -2.32, -36.01)
CIE-LCH	lch(51.87, 36.09, 266.31°)
OKLab	oklab(58.34% -0.0416 -0.1017)
OKLCH	oklch(58.34% 0.11 247.8)
XYZ	xyz(18.5872, 20.0292, 48.7760)
Luminance	0.2003 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4080B9 #B97940

analogous

#40B9B6 #4080B9 #4044B9

triadic

#4080B9 #B94080 #80B940

tetradic

#4080B9 #B640B9 #B97940 #44B940

square

#4080B9 #B640B9 #B97940 #44B940

split-complementary

#4080B9 #B94044 #B9B640

monochromatic

#21415E #30618C #4080B9 #6B9ECC #98BCDB

Accessibility & contrast

On white

4.19

#4080B9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#4080B9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4080B9

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4080B9	#FFFFFF	#000000	##000000
##4080B9	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6782BB

Deuteranopia (green-blind)

#5676B8

Tritanopia (blue-blind)

#008E94

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4080b9;
/* rgb */ color: rgb(64, 128, 185);
/* oklch */ color: oklch(58.3% 0.110 247.8);

Tailwind

colors: {
  custom: {
    50: '#81a4ce',
    500: '#4080b9',
    950: '#000000',
  },
}

SCSS

$custom: #4080b9;
$custom-light: #81a4ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4080b9",
  "rgb": {
    "r": 64,
    "g": 128,
    "b": 185
  },
  "hsl": {
    "h": 208.264,
    "s": 48.594,
    "l": 48.824
  },
  "oklch": {
    "l": 0.58342,
    "c": 0.1099,
    "h": 247.8
  },
  "luminance": 0.20031
}

Semantic roles & 50–950 ramp

primary

#4080B9

secondary

#C7A98E

accent

#9050D8

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #4080B9

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

Preview Lab → · Contrast checker → · Palette generator →