#4080B3#4080B3

#4080B3 is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 58.0% C 0.103 H 245.0°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#4080B3
RGB	rgb(64, 128, 179)
HSL	hsl(207, 47%, 48%)
HSV	hsv(207, 64%, 70%)
CMYK	cmyk(64.2%, 28.5%, 0%, 29.8%)
CIE-LAB	lab(51.59, -4.37, -33.00)
CIE-LCH	lch(51.59, 33.29, 262.45°)
OKLab	oklab(58.03% -0.0434 -0.093)
OKLCH	oklch(58.03% 0.103 245)
XYZ	xyz(17.9672, 19.7812, 45.5104)
Luminance	0.1978 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4080B3 #B37340

analogous

#40B3AD #4080B3 #4046B3

triadic

#4080B3 #B34080 #80B340

tetradic

#4080B3 #AD40B3 #B37340 #46B340

square

#4080B3 #AD40B3 #B37340 #46B340

split-complementary

#4080B3 #B34046 #B3AD40

monochromatic

#204059 #306086 #4080B3 #679EC9 #94BBD9

Accessibility & contrast

On white

4.24

#4080B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#4080B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4080B3

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4080B3	#FFFFFF	#000000	##000000
##4080B3	1.00	4.24	4.96	4.96
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6981B5

Deuteranopia (green-blind)

#5A76B2

Tritanopia (blue-blind)

#008C92

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4080b3;
/* rgb */ color: rgb(64, 128, 179);
/* oklch */ color: oklch(58.0% 0.103 245.0);

Tailwind

colors: {
  custom: {
    50: '#80a4ca',
    500: '#4080b3',
    950: '#000000',
  },
}

SCSS

$custom: #4080b3;
$custom-light: #80a4ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4080b3",
  "rgb": {
    "r": 64,
    "g": 128,
    "b": 179
  },
  "hsl": {
    "h": 206.609,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.58028,
    "c": 0.10265,
    "h": 245
  },
  "luminance": 0.19783
}

Semantic roles & 50–950 ramp

primary

#4080B3

secondary

#C4A48A

accent

#8C51D7

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #4080B3

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

Preview Lab → · Contrast checker → · Palette generator →