#3181AE#3181AE

#3181AE is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.5% C 0.103 H 237.3°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#3181AE
RGB	rgb(49, 129, 174)
HSL	hsl(202, 56%, 44%)
HSV	hsv(202, 72%, 68%)
CMYK	cmyk(71.8%, 25.9%, 0%, 31.8%)
CIE-LAB	lab(51.16, -9.14, -30.83)
CIE-LCH	lch(51.16, 32.15, 253.49°)
OKLab	oklab(57.47% -0.0558 -0.0868)
OKLCH	oklch(57.47% 0.103 237.3)
XYZ	xyz(16.7539, 19.4076, 42.8993)
Luminance	0.1941 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3181AE #AE5E31

analogous

#31AE9C #3181AE #3142AE

triadic

#3181AE #AE3181 #81AE31

tetradic

#3181AE #9C31AE #AE5E31 #42AE31

square

#3181AE #9C31AE #AE5E31 #42AE31

split-complementary

#3181AE #AE3142 #AE9C31

monochromatic

#163A4E #245E7E #3181AE #4FA0CD #7FBADB

Accessibility & contrast

On white

4.30

#3181AE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#3181AE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3181AE

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3181AE	#FFFFFF	#000000	##000000
##3181AE	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C81B0

Deuteranopia (green-blind)

#5B75AD

Tritanopia (blue-blind)

#008D90

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3181ae;
/* rgb */ color: rgb(49, 129, 174);
/* oklch */ color: oklch(57.5% 0.103 237.3);

Tailwind

colors: {
  custom: {
    50: '#79a5c6',
    500: '#3181ae',
    950: '#000000',
  },
}

SCSS

$custom: #3181ae;
$custom-light: #79a5c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3181ae",
  "rgb": {
    "r": 49,
    "g": 129,
    "b": 174
  },
  "hsl": {
    "h": 201.6,
    "s": 56.054,
    "l": 43.725
  },
  "oklch": {
    "l": 0.57473,
    "c": 0.10321,
    "h": 237.3
  },
  "luminance": 0.19409
}

Semantic roles & 50–950 ramp

primary

#3181AE

secondary

#C49377

accent

#7F48DF

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #3181AE

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

Preview Lab → · Contrast checker → · Palette generator →