#3183A7#3183A7

#3183A7 is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 57.6% C 0.095 H 230.7°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#3183A7
RGB	rgb(49, 131, 167)
HSL	hsl(198, 55%, 42%)
HSV	hsv(198, 71%, 65%)
CMYK	cmyk(70.7%, 21.6%, 0%, 34.5%)
CIE-LAB	lab(51.47, -12.70, -26.30)
CIE-LCH	lch(51.47, 29.21, 244.23°)
OKLab	oklab(57.62% -0.0603 -0.0738)
OKLCH	oklch(57.62% 0.095 230.7)
XYZ	xyz(16.3552, 19.6738, 39.4872)
Luminance	0.1968 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3183A7 #A75531

analogous

#31A790 #3183A7 #3148A7

triadic

#3183A7 #A73183 #83A731

tetradic

#3183A7 #9031A7 #A75531 #48A731

square

#3183A7 #9031A7 #A75531 #48A731

split-complementary

#3183A7 #A73148 #A79031

monochromatic

#153948 #235E78 #3183A7 #4BA3CA #7ABBD8

Accessibility & contrast

On white

4.26

#3183A7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#3183A7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3183A7

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3183A7	#FFFFFF	#000000	##000000
##3183A7	1.00	4.26	4.94	4.94
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7181A9

Deuteranopia (green-blind)

#6176A6

Tritanopia (blue-blind)

#008D8F

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3183a7;
/* rgb */ color: rgb(49, 131, 167);
/* oklch */ color: oklch(57.6% 0.095 230.7);

Tailwind

colors: {
  custom: {
    50: '#78a7c1',
    500: '#3183a7',
    950: '#000000',
  },
}

SCSS

$custom: #3183a7;
$custom-light: #78a7c1;
$custom-dark: #000000;

JSON

{
  "hex": "#3183a7",
  "rgb": {
    "r": 49,
    "g": 131,
    "b": 167
  },
  "hsl": {
    "h": 198.305,
    "s": 54.63,
    "l": 42.353
  },
  "oklch": {
    "l": 0.57616,
    "c": 0.09531,
    "h": 230.7
  },
  "luminance": 0.19676
}

Semantic roles & 50–950 ramp

primary

#3183A7

secondary

#C18B73

accent

#774ADE

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #3183A7

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

Preview Lab → · Contrast checker → · Palette generator →