#3183B8#3183B8

#3183B8 is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.5% C 0.113 H 241.1°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#3183B8
RGB	rgb(49, 131, 184)
HSL	hsl(204, 58%, 46%)
HSV	hsv(204, 73%, 72%)
CMYK	cmyk(73.4%, 28.8%, 0%, 27.8%)
CIE-LAB	lab(52.22, -6.77, -34.92)
CIE-LCH	lch(52.22, 35.57, 259.03°)
OKLab	oklab(58.47% -0.0544 -0.0987)
OKLCH	oklch(58.47% 0.113 241.1)
XYZ	xyz(18.0313, 20.3442, 48.3146)
Luminance	0.2035 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3183B8 #B86631

analogous

#31B8AA #3183B8 #313FB8

triadic

#3183B8 #B83183 #83B831

tetradic

#3183B8 #AA31B8 #B86631 #3FB831

square

#3183B8 #AA31B8 #B86631 #3FB831

split-complementary

#3183B8 #B8313F #B8AA31

monochromatic

#173E57 #246188 #3183B8 #55A1D2 #85BBDE

Accessibility & contrast

On white

4.14

#3183B8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#3183B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3183B8

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3183B8	#FFFFFF	#000000	##000000
##3183B8	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A84BA

Deuteranopia (green-blind)

#5877B7

Tritanopia (blue-blind)

#009095

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3183b8;
/* rgb */ color: rgb(49, 131, 184);
/* oklch */ color: oklch(58.5% 0.113 241.1);

Tailwind

colors: {
  custom: {
    50: '#7ba6cd',
    500: '#3183b8',
    950: '#000000',
  },
}

SCSS

$custom: #3183b8;
$custom-light: #7ba6cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3183b8",
  "rgb": {
    "r": 49,
    "g": 131,
    "b": 184
  },
  "hsl": {
    "h": 203.556,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.58468,
    "c": 0.1127,
    "h": 241.1
  },
  "luminance": 0.20346
}

Semantic roles & 50–950 ramp

primary

#3183B8

secondary

#C89A7D

accent

#8347E1

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3183B8

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

Preview Lab → · Contrast checker → · Palette generator →