#4181BE#4181BE

#4181BE is a mid, moderate cyan. Relative luminance 0.205; OKLCH L 58.9% C 0.115 H 249.4°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#4181BE
RGB	rgb(65, 129, 190)
HSL	hsl(209, 49%, 50%)
HSV	hsv(209, 66%, 75%)
CMYK	cmyk(65.8%, 32.1%, 0%, 25.5%)
CIE-LAB	lab(52.44, -1.02, -37.98)
CIE-LCH	lch(52.44, 37.99, 268.46°)
OKLab	oklab(58.88% -0.0404 -0.1074)
OKLCH	oklch(58.88% 0.115 249.4)
XYZ	xyz(19.3210, 20.5401, 51.6516)
Luminance	0.2054 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4181BE #BE7E41

analogous

#41BEBD #4181BE #4142BE

triadic

#4181BE #BE4181 #81BE41

tetradic

#4181BE #BD41BE #BE7E41 #42BE41

square

#4181BE #BD41BE #BE7E41 #42BE41

split-complementary

#4181BE #BE4142 #BEBD41

monochromatic

#224363 #316290 #4181BE #6F9FCE #9CBDDD

Accessibility & contrast

On white

4.11

#4181BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#4181BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4181BE

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4181BE	#FFFFFF	#000000	##000000
##4181BE	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6684C1

Deuteranopia (green-blind)

#5578BD

Tritanopia (blue-blind)

#008F97

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4181be;
/* rgb */ color: rgb(65, 129, 190);
/* oklch */ color: oklch(58.9% 0.115 249.4);

Tailwind

colors: {
  custom: {
    50: '#82a5d2',
    500: '#4181be',
    950: '#000000',
  },
}

SCSS

$custom: #4181be;
$custom-light: #82a5d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4181be",
  "rgb": {
    "r": 65,
    "g": 129,
    "b": 190
  },
  "hsl": {
    "h": 209.28,
    "s": 49.02,
    "l": 50
  },
  "oklch": {
    "l": 0.58881,
    "c": 0.11478,
    "h": 249.4
  },
  "luminance": 0.20542
}

Semantic roles & 50–950 ramp

primary

#4181BE

secondary

#C9AD91

accent

#924FD9

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #4181BE

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

Preview Lab → · Contrast checker → · Palette generator →