#3188C0#3188C0

#3188C0 is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 60.1% C 0.118 H 241.3°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#3188C0
RGB	rgb(49, 136, 192)
HSL	hsl(203, 59%, 47%)
HSV	hsv(203, 74%, 75%)
CMYK	cmyk(74.5%, 29.2%, 0%, 24.7%)
CIE-LAB	lab(54.10, -6.83, -36.56)
CIE-LCH	lch(54.10, 37.19, 259.42°)
OKLab	oklab(60.07% -0.0567 -0.1034)
OKLCH	oklch(60.07% 0.118 241.3)
XYZ	xyz(19.5815, 22.0648, 53.0859)
Luminance	0.2207 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3188C0 #C06931

analogous

#31C0B1 #3188C0 #3140C0

triadic

#3188C0 #C03188 #88C031

tetradic

#3188C0 #B131C0 #C06931 #40C031

square

#3188C0 #B131C0 #C06931 #40C031

split-complementary

#3188C0 #C03140 #C0B131

monochromatic

#18435E #25658F #3188C0 #59A4D5 #8ABFE1

Accessibility & contrast

On white

3.88

#3188C0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#3188C0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3188C0

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3188C0	#FFFFFF	#000000	##000000
##3188C0	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E89C2

Deuteranopia (green-blind)

#5A7BBF

Tritanopia (blue-blind)

#00969C

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3188c0;
/* rgb */ color: rgb(49, 136, 192);
/* oklch */ color: oklch(60.1% 0.118 241.3);

Tailwind

colors: {
  custom: {
    50: '#7caad3',
    500: '#3188c0',
    950: '#000000',
  },
}

SCSS

$custom: #3188c0;
$custom-light: #7caad3;
$custom-dark: #000000;

JSON

{
  "hex": "#3188c0",
  "rgb": {
    "r": 49,
    "g": 136,
    "b": 192
  },
  "hsl": {
    "h": 203.497,
    "s": 59.336,
    "l": 47.255
  },
  "oklch": {
    "l": 0.60073,
    "c": 0.11793,
    "h": 241.3
  },
  "luminance": 0.22067
}

Semantic roles & 50–950 ramp

primary

#3188C0

secondary

#CB9E82

accent

#8345E3

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3188C0

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

Preview Lab → · Contrast checker → · Palette generator →