#4180CC#4180CC

#4180CC is a mid, vivid cyan. Relative luminance 0.209; OKLCH L 59.4% C 0.134 H 254.5°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#4180CC
RGB	rgb(65, 128, 204)
HSL	hsl(213, 58%, 53%)
HSV	hsv(213, 68%, 80%)
CMYK	cmyk(68.1%, 37.3%, 0%, 20%)
CIE-LAB	lab(52.86, 4.46, -45.29)
CIE-LCH	lch(52.86, 45.51, 275.63°)
OKLab	oklab(59.44% -0.0357 -0.1288)
OKLCH	oklch(59.44% 0.134 254.5)
XYZ	xyz(20.7942, 20.9196, 60.0570)
Luminance	0.2092 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4180CC #CC8D41

analogous

#41C5CC #4180CC #4841CC

triadic

#4180CC #CC4180 #80CC41

tetradic

#4180CC #CC41C5 #CC8D41 #41CC48

square

#4180CC #CC41C5 #CC8D41 #41CC48

split-complementary

#4180CC #CC4841 #C5CC41

monochromatic

#1F4574 #2C62A4 #4180CC #71A0D9 #A1C1E6

Accessibility & contrast

On white

4.05

#4180CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#4180CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4180CC

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4180CC	#FFFFFF	#000000	##000000
##4180CC	1.00	4.05	5.18	5.18
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E85CF

Deuteranopia (green-blind)

#4978CA

Tritanopia (blue-blind)

#00929C

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4180cc;
/* rgb */ color: rgb(65, 128, 204);
/* oklch */ color: oklch(59.4% 0.134 254.5);

Tailwind

colors: {
  custom: {
    50: '#84a4dc',
    500: '#4180cc',
    950: '#000000',
  },
}

SCSS

$custom: #4180cc;
$custom-light: #84a4dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4180cc",
  "rgb": {
    "r": 65,
    "g": 128,
    "b": 204
  },
  "hsl": {
    "h": 212.806,
    "s": 57.676,
    "l": 52.745
  },
  "oklch": {
    "l": 0.59441,
    "c": 0.13366,
    "h": 254.5
  },
  "luminance": 0.20922
}

Semantic roles & 50–950 ramp

primary

#4180CC

secondary

#D3B796

accent

#9B47E1

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4180CC

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

Preview Lab → · Contrast checker → · Palette generator →