#4181CD#4181CD

#4181CD is a mid, vivid cyan. Relative luminance 0.212; OKLCH L 59.7% C 0.134 H 254.2°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#4181CD
RGB	rgb(65, 129, 205)
HSL	hsl(213, 58%, 53%)
HSV	hsv(213, 68%, 80%)
CMYK	cmyk(68.3%, 37.1%, 0%, 19.6%)
CIE-LAB	lab(53.20, 4.21, -45.32)
CIE-LCH	lch(53.20, 45.52, 275.31°)
OKLab	oklab(59.72% -0.0364 -0.1289)
OKLCH	oklch(59.72% 0.134 254.2)
XYZ	xyz(21.0456, 21.2299, 60.7344)
Luminance	0.2123 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4181CD #CD8D41

analogous

#41C7CD #4181CD #4741CD

triadic

#4181CD #CD4181 #81CD41

tetradic

#4181CD #CD41C7 #CD8D41 #41CD47

square

#4181CD #CD41C7 #CD8D41 #41CD47

split-complementary

#4181CD #CD4741 #C7CD41

monochromatic

#1F4675 #2C63A5 #4181CD #71A1DA #A2C1E6

Accessibility & contrast

On white

4.00

#4181CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#4181CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4181CD

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4181CD	#FFFFFF	#000000	##000000
##4181CD	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)

#5F86D0

Deuteranopia (green-blind)

#4A79CB

Tritanopia (blue-blind)

#00939D

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4181cd;
/* rgb */ color: rgb(65, 129, 205);
/* oklch */ color: oklch(59.7% 0.134 254.2);

Tailwind

colors: {
  custom: {
    50: '#85a5dc',
    500: '#4181cd',
    950: '#000000',
  },
}

SCSS

$custom: #4181cd;
$custom-light: #85a5dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4181cd",
  "rgb": {
    "r": 65,
    "g": 129,
    "b": 205
  },
  "hsl": {
    "h": 212.571,
    "s": 58.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.59722,
    "c": 0.13393,
    "h": 254.2
  },
  "luminance": 0.21232
}

Semantic roles & 50–950 ramp

primary

#4181CD

secondary

#D3B797

accent

#9B46E2

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4181CD

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

Preview Lab → · Contrast checker → · Palette generator →