#4180CE#4180CE

#4180CE is a mid, vivid cyan. Relative luminance 0.210; OKLCH L 59.6% C 0.136 H 255.0°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#4180CE
RGB	rgb(65, 128, 206)
HSL	hsl(213, 59%, 53%)
HSV	hsv(213, 68%, 81%)
CMYK	cmyk(68.4%, 37.9%, 0%, 19.2%)
CIE-LAB	lab(52.97, 5.17, -46.26)
CIE-LCH	lch(52.97, 46.55, 276.38°)
OKLab	oklab(59.56% -0.0352 -0.1316)
OKLCH	oklch(59.56% 0.136 255)
XYZ	xyz(21.0356, 21.0162, 61.3285)
Luminance	0.2102 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4180CE #CE8F41

analogous

#41C7CE #4180CE #4841CE

triadic

#4180CE #CE4180 #80CE41

tetradic

#4180CE #CE41C7 #CE8F41 #41CE48

square

#4180CE #CE41C7 #CE8F41 #41CE48

split-complementary

#4180CE #CE4841 #C7CE41

monochromatic

#1E4676 #2B62A7 #4180CE #72A1DB #A2C1E7

Accessibility & contrast

On white

4.04

#4180CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#4180CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4180CE

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4180CE	#FFFFFF	#000000	##000000
##4180CE	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D86D1

Deuteranopia (green-blind)

#4878CC

Tritanopia (blue-blind)

#00929D

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4180ce;
/* rgb */ color: rgb(65, 128, 206);
/* oklch */ color: oklch(59.6% 0.136 255.0);

Tailwind

colors: {
  custom: {
    50: '#85a4dd',
    500: '#4180ce',
    950: '#000000',
  },
}

SCSS

$custom: #4180ce;
$custom-light: #85a4dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4180ce",
  "rgb": {
    "r": 65,
    "g": 128,
    "b": 206
  },
  "hsl": {
    "h": 213.191,
    "s": 58.996,
    "l": 53.137
  },
  "oklch": {
    "l": 0.59558,
    "c": 0.13627,
    "h": 255
  },
  "luminance": 0.21018
}

Semantic roles & 50–950 ramp

primary

#4180CE

secondary

#D4B997

accent

#9C46E2

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4180CE

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

Preview Lab → · Contrast checker → · Palette generator →