#4181D9#4181D9

#4181D9 is a mid, vivid cyan. Relative luminance 0.218; OKLCH L 60.4% C 0.150 H 257.0°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#4181D9
RGB	rgb(65, 129, 217)
HSL	hsl(215, 67%, 55%)
HSV	hsv(215, 70%, 85%)
CMYK	cmyk(70%, 40.6%, 0%, 14.9%)
CIE-LAB	lab(53.85, 8.46, -51.08)
CIE-LCH	lch(53.85, 51.77, 279.41°)
OKLab	oklab(60.44% -0.0336 -0.1457)
OKLCH	oklch(60.44% 0.15 257)
XYZ	xyz(22.5501, 21.8317, 68.6577)
Luminance	0.2183 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4181D9 #D99941

analogous

#41CDD9 #4181D9 #4D41D9

triadic

#4181D9 #D94181 #81D941

tetradic

#4181D9 #D941CD #D99941 #41D94D

square

#4181D9 #D941CD #D99941 #41D94D

split-complementary

#4181D9 #D94D41 #CDD941

monochromatic

#1B4785 #2563B8 #4181D9 #74A3E3 #A7C5ED

Accessibility & contrast

On white

3.91

#4181D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#4181D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4181D9

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4181D9	#FFFFFF	#000000	##000000
##4181D9	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5888DC

Deuteranopia (green-blind)

#3F7AD7

Tritanopia (blue-blind)

#0095A2

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4181d9;
/* rgb */ color: rgb(65, 129, 217);
/* oklch */ color: oklch(60.4% 0.150 257.0);

Tailwind

colors: {
  custom: {
    50: '#87a5e5',
    500: '#4181d9',
    950: '#000000',
  },
}

SCSS

$custom: #4181d9;
$custom-light: #87a5e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4181d9",
  "rgb": {
    "r": 65,
    "g": 129,
    "b": 217
  },
  "hsl": {
    "h": 214.737,
    "s": 66.667,
    "l": 55.294
  },
  "oklch": {
    "l": 0.60438,
    "c": 0.14958,
    "h": 257
  },
  "luminance": 0.21834
}

Semantic roles & 50–950 ramp

primary

#4181D9

secondary

#DBC09B

accent

#A13EEA

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D0F16

muted

#7D7F84

Preview Lab

Preview with #4181D9

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

Preview Lab → · Contrast checker → · Palette generator →