#4181AC#4181AC

#4181AC is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 58.0% C 0.093 H 240.4°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#4181AC
RGB	rgb(65, 129, 172)
HSL	hsl(204, 45%, 46%)
HSV	hsv(204, 62%, 67%)
CMYK	cmyk(62.2%, 25%, 0%, 32.5%)
CIE-LAB	lab(51.61, -7.12, -28.93)
CIE-LCH	lch(51.61, 29.79, 256.17°)
OKLab	oklab(57.95% -0.0461 -0.0812)
OKLCH	oklch(57.95% 0.093 240.4)
XYZ	xyz(17.4738, 19.8012, 41.9229)
Luminance	0.1980 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4181AC #AC6C41

analogous

#41ACA2 #4181AC #414CAC

triadic

#4181AC #AC4181 #81AC41

tetradic

#4181AC #A241AC #AC6C41 #4CAC41

square

#4181AC #A241AC #AC6C41 #4CAC41

split-complementary

#4181AC #AC414C #ACA241

monochromatic

#1F3E53 #306080 #4181AC #659EC5 #92BAD6

Accessibility & contrast

On white

4.23

#4181AC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#4181AC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4181AC

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4181AC	#FFFFFF	#000000	##000000
##4181AC	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E81AE

Deuteranopia (green-blind)

#5F76AB

Tritanopia (blue-blind)

#008C90

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4181ac;
/* rgb */ color: rgb(65, 129, 172);
/* oklch */ color: oklch(58.0% 0.093 240.4);

Tailwind

colors: {
  custom: {
    50: '#80a5c5',
    500: '#4181ac',
    950: '#000000',
  },
}

SCSS

$custom: #4181ac;
$custom-light: #80a5c5;
$custom-dark: #000000;

JSON

{
  "hex": "#4181ac",
  "rgb": {
    "r": 65,
    "g": 129,
    "b": 172
  },
  "hsl": {
    "h": 204.112,
    "s": 45.148,
    "l": 46.471
  },
  "oklch": {
    "l": 0.57953,
    "c": 0.09337,
    "h": 240.4
  },
  "luminance": 0.19803
}

Semantic roles & 50–950 ramp

primary

#4181AC

secondary

#C19F88

accent

#8753D5

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F12

muted

#7C7F81

Preview Lab

Preview with #4181AC

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

Preview Lab → · Contrast checker → · Palette generator →