#3183AC#3183AC

#3183AC is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 57.9% C 0.100 H 234.2°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#3183AC
RGB	rgb(49, 131, 172)
HSL	hsl(200, 56%, 43%)
HSV	hsv(200, 72%, 67%)
CMYK	cmyk(71.5%, 23.8%, 0%, 32.5%)
CIE-LAB	lab(51.68, -10.98, -28.86)
CIE-LCH	lch(51.68, 30.88, 249.17°)
OKLab	oklab(57.86% -0.0585 -0.0812)
OKLCH	oklch(57.86% 0.1 234.2)
XYZ	xyz(16.8264, 19.8622, 41.9687)
Luminance	0.1986 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3183AC #AC5A31

analogous

#31AC97 #3183AC #3145AC

triadic

#3183AC #AC3183 #83AC31

tetradic

#3183AC #9731AC #AC5A31 #45AC31

square

#3183AC #9731AC #AC5A31 #45AC31

split-complementary

#3183AC #AC3145 #AC9731

monochromatic

#163A4D #235F7C #3183AC #4EA2CC #7DBBDA

Accessibility & contrast

On white

4.22

#3183AC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#3183AC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3183AC

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3183AC	#FFFFFF	#000000	##000000
##3183AC	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F82AE

Deuteranopia (green-blind)

#5E76AB

Tritanopia (blue-blind)

#008E91

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3183ac;
/* rgb */ color: rgb(49, 131, 172);
/* oklch */ color: oklch(57.9% 0.100 234.2);

Tailwind

colors: {
  custom: {
    50: '#79a7c5',
    500: '#3183ac',
    950: '#000000',
  },
}

SCSS

$custom: #3183ac;
$custom-light: #79a7c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3183ac",
  "rgb": {
    "r": 49,
    "g": 131,
    "b": 172
  },
  "hsl": {
    "h": 200,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.57858,
    "c": 0.10005,
    "h": 234.2
  },
  "luminance": 0.19864
}

Semantic roles & 50–950 ramp

primary

#3183AC

secondary

#C39076

accent

#7B49DF

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #3183AC

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

Preview Lab → · Contrast checker → · Palette generator →