#4181D3#4181D3

#4181D3 is a mid, vivid cyan. Relative luminance 0.215; OKLCH L 60.1% C 0.142 H 255.7°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#4181D3
RGB	rgb(65, 129, 211)
HSL	hsl(214, 62%, 54%)
HSV	hsv(214, 69%, 83%)
CMYK	cmyk(69.2%, 38.9%, 0%, 17.3%)
CIE-LAB	lab(53.52, 6.33, -48.21)
CIE-LCH	lch(53.52, 48.63, 277.48°)
OKLab	oklab(60.08% -0.035 -0.1373)
OKLCH	oklch(60.08% 0.142 255.7)
XYZ	xyz(21.7838, 21.5252, 64.6221)
Luminance	0.2153 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4181D3 #D39341

analogous

#41CAD3 #4181D3 #4A41D3

triadic

#4181D3 #D34181 #81D341

tetradic

#4181D3 #D341CA #D39341 #41D34A

square

#4181D3 #D341CA #D39341 #41D34A

split-complementary

#4181D3 #D34A41 #CAD341

monochromatic

#1D477D #2863AE #4181D3 #73A2DF #A4C3EA

Accessibility & contrast

On white

3.96

#4181D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#4181D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4181D3

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4181D3	#FFFFFF	#000000	##000000
##4181D3	1.00	3.96	5.31	5.31
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B87D6

Deuteranopia (green-blind)

#457AD1

Tritanopia (blue-blind)

#0094A0

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4181d3;
/* rgb */ color: rgb(65, 129, 211);
/* oklch */ color: oklch(60.1% 0.142 255.7);

Tailwind

colors: {
  custom: {
    50: '#86a5e1',
    500: '#4181d3',
    950: '#000000',
  },
}

SCSS

$custom: #4181d3;
$custom-light: #86a5e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4181d3",
  "rgb": {
    "r": 65,
    "g": 129,
    "b": 211
  },
  "hsl": {
    "h": 213.699,
    "s": 62.393,
    "l": 54.118
  },
  "oklch": {
    "l": 0.60075,
    "c": 0.14173,
    "h": 255.7
  },
  "luminance": 0.21527
}

Semantic roles & 50–950 ramp

primary

#4181D3

secondary

#D7BC99

accent

#9E42E5

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4181D3

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

Preview Lab → · Contrast checker → · Palette generator →