#4180D3#4180D3

#4180D3 is a mid, vivid cyan. Relative luminance 0.213; OKLCH L 59.9% C 0.143 H 256.2°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#4180D3
RGB	rgb(65, 128, 211)
HSL	hsl(214, 62%, 54%)
HSV	hsv(214, 69%, 83%)
CMYK	cmyk(69.2%, 39.3%, 0%, 17.3%)
CIE-LAB	lab(53.24, 6.94, -48.66)
CIE-LCH	lch(53.24, 49.16, 278.12°)
OKLab	oklab(59.86% -0.034 -0.1387)
OKLCH	oklch(59.86% 0.143 256.2)
XYZ	xyz(21.6527, 21.2630, 64.5784)
Luminance	0.2127 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4180D3 #D39441

analogous

#41C9D3 #4180D3 #4B41D3

triadic

#4180D3 #D34180 #80D341

tetradic

#4180D3 #D341C9 #D39441 #41D34B

square

#4180D3 #D341C9 #D39441 #41D34B

split-complementary

#4180D3 #D34B41 #C9D341

monochromatic

#1D467D #2862AE #4180D3 #73A1DF #A4C2EA

Accessibility & contrast

On white

4.00

#4180D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#4180D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4180D3

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4180D3	#FFFFFF	#000000	##000000
##4180D3	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A87D6

Deuteranopia (green-blind)

#4379D1

Tritanopia (blue-blind)

#00939F

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4180d3;
/* rgb */ color: rgb(65, 128, 211);
/* oklch */ color: oklch(59.9% 0.143 256.2);

Tailwind

colors: {
  custom: {
    50: '#86a4e1',
    500: '#4180d3',
    950: '#000000',
  },
}

SCSS

$custom: #4180d3;
$custom-light: #86a4e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4180d3",
  "rgb": {
    "r": 65,
    "g": 128,
    "b": 211
  },
  "hsl": {
    "h": 214.11,
    "s": 62.393,
    "l": 54.118
  },
  "oklch": {
    "l": 0.59855,
    "c": 0.1428,
    "h": 256.2
  },
  "luminance": 0.21265
}

Semantic roles & 50–950 ramp

primary

#4180D3

secondary

#D7BC99

accent

#9F42E5

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4180D3

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

Preview Lab → · Contrast checker → · Palette generator →