#3181C0#3181C0

#3181C0 is a mid, vivid cyan. Relative luminance 0.202; OKLCH L 58.4% C 0.124 H 246.1°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#3181C0
RGB	rgb(49, 129, 192)
HSL	hsl(206, 59%, 47%)
HSV	hsv(206, 74%, 75%)
CMYK	cmyk(74.5%, 32.8%, 0%, 24.7%)
CIE-LAB	lab(52.01, -2.73, -39.83)
CIE-LCH	lch(52.01, 39.92, 266.07°)
OKLab	oklab(58.43% -0.05 -0.113)
OKLCH	oklch(58.43% 0.124 246.1)
XYZ	xyz(18.6277, 20.1571, 52.7679)
Luminance	0.2016 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3181C0 #C07031

analogous

#31C0B8 #3181C0 #3139C0

triadic

#3181C0 #C03181 #81C031

tetradic

#3181C0 #B831C0 #C07031 #39C031

square

#3181C0 #B831C0 #C07031 #39C031

split-complementary

#3181C0 #C03139 #C0B831

monochromatic

#183F5E #25608F #3181C0 #599ED5 #8ABBE1

Accessibility & contrast

On white

4.17

#3181C0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#3181C0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3181C0

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3181C0	#FFFFFF	#000000	##000000
##3181C0	1.00	4.17	5.03	5.03
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6483C3

Deuteranopia (green-blind)

#5076BF

Tritanopia (blue-blind)

#009098

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3181c0;
/* rgb */ color: rgb(49, 129, 192);
/* oklch */ color: oklch(58.4% 0.124 246.1);

Tailwind

colors: {
  custom: {
    50: '#7ca5d3',
    500: '#3181c0',
    950: '#000000',
  },
}

SCSS

$custom: #3181c0;
$custom-light: #7ca5d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3181c0",
  "rgb": {
    "r": 49,
    "g": 129,
    "b": 192
  },
  "hsl": {
    "h": 206.434,
    "s": 59.336,
    "l": 47.255
  },
  "oklch": {
    "l": 0.58429,
    "c": 0.12361,
    "h": 246.1
  },
  "luminance": 0.20159
}

Semantic roles & 50–950 ramp

primary

#3181C0

secondary

#CBA282

accent

#8B45E3

background

#F8FAFD

surface

#EFF4FA

border

#CACED3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #3181C0

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

Preview Lab → · Contrast checker → · Palette generator →