#4181CF#4181CF

#4181CF is a mid, vivid cyan. Relative luminance 0.213; OKLCH L 59.8% C 0.137 H 254.7°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#4181CF
RGB	rgb(65, 129, 207)
HSL	hsl(213, 60%, 53%)
HSV	hsv(213, 69%, 81%)
CMYK	cmyk(68.6%, 37.7%, 0%, 18.8%)
CIE-LAB	lab(53.31, 4.92, -46.29)
CIE-LCH	lch(53.31, 46.55, 276.07°)
OKLab	oklab(59.84% -0.0359 -0.1317)
OKLCH	oklch(59.84% 0.137 254.7)
XYZ	xyz(21.2886, 21.3271, 62.0140)
Luminance	0.2133 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4181CF #CF8F41

analogous

#41C8CF #4181CF #4841CF

triadic

#4181CF #CF4181 #81CF41

tetradic

#4181CF #CF41C8 #CF8F41 #41CF48

square

#4181CF #CF41C8 #CF8F41 #41CF48

split-complementary

#4181CF #CF4841 #C8CF41

monochromatic

#1E4677 #2B63A8 #4181CF #72A1DB #A3C2E8

Accessibility & contrast

On white

3.99

#4181CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#4181CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4181CF

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4181CF	#FFFFFF	#000000	##000000
##4181CF	1.00	3.99	5.27	5.27
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E87D2

Deuteranopia (green-blind)

#4979CD

Tritanopia (blue-blind)

#00939E

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4181cf;
/* rgb */ color: rgb(65, 129, 207);
/* oklch */ color: oklch(59.8% 0.137 254.7);

Tailwind

colors: {
  custom: {
    50: '#85a5de',
    500: '#4181cf',
    950: '#000000',
  },
}

SCSS

$custom: #4181cf;
$custom-light: #85a5de;
$custom-dark: #000000;

JSON

{
  "hex": "#4181cf",
  "rgb": {
    "r": 65,
    "g": 129,
    "b": 207
  },
  "hsl": {
    "h": 212.958,
    "s": 59.664,
    "l": 53.333
  },
  "oklch": {
    "l": 0.59839,
    "c": 0.13653,
    "h": 254.7
  },
  "luminance": 0.21329
}

Semantic roles & 50–950 ramp

primary

#4181CF

secondary

#D4B997

accent

#9C45E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4181CF

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

Preview Lab → · Contrast checker → · Palette generator →