#4181C3#4181C3

#4181C3 is a mid, vivid cyan. Relative luminance 0.208; OKLCH L 59.2% C 0.121 H 251.2°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#4181C3
RGB	rgb(65, 129, 195)
HSL	hsl(210, 52%, 51%)
HSV	hsv(210, 67%, 76%)
CMYK	cmyk(66.7%, 33.8%, 0%, 23.5%)
CIE-LAB	lab(52.69, 0.71, -40.45)
CIE-LCH	lch(52.69, 40.45, 271.01°)
OKLab	oklab(59.16% -0.039 -0.1146)
OKLCH	oklch(59.16% 0.121 251.2)
XYZ	xyz(19.8769, 20.7624, 54.5792)
Luminance	0.2076 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4181C3 #C38341

analogous

#41C2C3 #4181C3 #4241C3

triadic

#4181C3 #C34181 #81C341

tetradic

#4181C3 #C341C2 #C38341 #41C342

square

#4181C3 #C341C2 #C38341 #41C342

split-complementary

#4181C3 #C34241 #C2C341

monochromatic

#214469 #306397 #4181C3 #70A0D2 #9EBFE0

Accessibility & contrast

On white

4.08

#4181C3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#4181C3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4181C3

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4181C3	#FFFFFF	#000000	##000000
##4181C3	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6485C6

Deuteranopia (green-blind)

#5278C2

Tritanopia (blue-blind)

#009099

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4181c3;
/* rgb */ color: rgb(65, 129, 195);
/* oklch */ color: oklch(59.2% 0.121 251.2);

Tailwind

colors: {
  custom: {
    50: '#83a5d5',
    500: '#4181c3',
    950: '#000000',
  },
}

SCSS

$custom: #4181c3;
$custom-light: #83a5d5;
$custom-dark: #000000;

JSON

{
  "hex": "#4181c3",
  "rgb": {
    "r": 65,
    "g": 129,
    "b": 195
  },
  "hsl": {
    "h": 210.462,
    "s": 52,
    "l": 50.98
  },
  "oklch": {
    "l": 0.59155,
    "c": 0.12109,
    "h": 251.2
  },
  "luminance": 0.20764
}

Semantic roles & 50–950 ramp

primary

#4181C3

secondary

#CDB093

accent

#954CDB

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #4181C3

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

Preview Lab → · Contrast checker → · Palette generator →