#3183AD#3183AD

#3183AD is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 57.9% C 0.101 H 234.9°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#3183AD
RGB	rgb(49, 131, 173)
HSL	hsl(200, 56%, 44%)
HSV	hsv(200, 72%, 68%)
CMYK	cmyk(71.7%, 24.3%, 0%, 32.2%)
CIE-LAB	lab(51.72, -10.63, -29.37)
CIE-LCH	lch(51.72, 31.23, 250.10°)
OKLab	oklab(57.91% -0.0581 -0.0826)
OKLCH	oklch(57.91% 0.101 234.9)
XYZ	xyz(16.9228, 19.9008, 42.4764)
Luminance	0.1990 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3183AD #AD5B31

analogous

#31AD99 #3183AD #3145AD

triadic

#3183AD #AD3183 #83AD31

tetradic

#3183AD #9931AD #AD5B31 #45AD31

square

#3183AD #9931AD #AD5B31 #45AD31

split-complementary

#3183AD #AD3145 #AD9931

monochromatic

#163B4E #235F7D #3183AD #4EA2CD #7EBBDA

Accessibility & contrast

On white

4.22

#3183AD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#3183AD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3183AD

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3183AD	#FFFFFF	#000000	##000000
##3183AD	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F82AF

Deuteranopia (green-blind)

#5E76AC

Tritanopia (blue-blind)

#008E91

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3183ad;
/* rgb */ color: rgb(49, 131, 173);
/* oklch */ color: oklch(57.9% 0.101 234.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3183ad",
  "rgb": {
    "r": 49,
    "g": 131,
    "b": 173
  },
  "hsl": {
    "h": 200.323,
    "s": 55.856,
    "l": 43.529
  },
  "oklch": {
    "l": 0.57907,
    "c": 0.10103,
    "h": 234.9
  },
  "luminance": 0.19903
}

Semantic roles & 50–950 ramp

primary

#3183AD

secondary

#C39177

accent

#7C49DF

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #3183AD

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

Preview Lab → · Contrast checker → · Palette generator →