#4181DA#4181DA

#4181DA is a mid, vivid cyan. Relative luminance 0.219; OKLCH L 60.5% C 0.151 H 257.2°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#4181DA
RGB	rgb(65, 129, 218)
HSL	hsl(215, 67%, 55%)
HSV	hsv(215, 70%, 85%)
CMYK	cmyk(70.2%, 40.8%, 0%, 14.5%)
CIE-LAB	lab(53.90, 8.82, -51.55)
CIE-LCH	lch(53.90, 52.30, 279.71°)
OKLab	oklab(60.5% -0.0334 -0.1471)
OKLCH	oklch(60.5% 0.151 257.2)
XYZ	xyz(22.6805, 21.8839, 69.3448)
Luminance	0.2189 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4181DA #DA9A41

analogous

#41CDDA #4181DA #4D41DA

triadic

#4181DA #DA4181 #81DA41

tetradic

#4181DA #DA41CD #DA9A41 #41DA4D

square

#4181DA #DA41CD #DA9A41 #41DA4D

split-complementary

#4181DA #DA4D41 #CDDA41

monochromatic

#1A4786 #2463BA #4181DA #74A3E4 #A7C5EE

Accessibility & contrast

On white

3.91

#4181DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#4181DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4181DA

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4181DA	#FFFFFF	#000000	##000000
##4181DA	1.00	3.91	5.38	5.38
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5789DE

Deuteranopia (green-blind)

#3E7AD8

Tritanopia (blue-blind)

#0096A3

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4181da;
/* rgb */ color: rgb(65, 129, 218);
/* oklch */ color: oklch(60.5% 0.151 257.2);

Tailwind

colors: {
  custom: {
    50: '#87a5e6',
    500: '#4181da',
    950: '#000000',
  },
}

SCSS

$custom: #4181da;
$custom-light: #87a5e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4181da",
  "rgb": {
    "r": 65,
    "g": 129,
    "b": 218
  },
  "hsl": {
    "h": 214.902,
    "s": 67.401,
    "l": 55.49
  },
  "oklch": {
    "l": 0.60499,
    "c": 0.15089,
    "h": 257.2
  },
  "luminance": 0.21886
}

Semantic roles & 50–950 ramp

primary

#4181DA

secondary

#DBC19C

accent

#A23EEA

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D0F16

muted

#7D7F84

Preview Lab

Preview with #4181DA

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

Preview Lab → · Contrast checker → · Palette generator →