#3180BB#3180BB

#3180BB is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 57.9% C 0.119 H 244.7°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#3180BB
RGB	rgb(49, 128, 187)
HSL	hsl(206, 58%, 46%)
HSV	hsv(206, 74%, 73%)
CMYK	cmyk(73.8%, 31.6%, 0%, 26.7%)
CIE-LAB	lab(51.47, -3.94, -37.82)
CIE-LCH	lch(51.47, 38.03, 264.05°)
OKLab	oklab(57.92% -0.0506 -0.1072)
OKLCH	oklch(57.92% 0.119 244.7)
XYZ	xyz(17.9520, 19.6771, 49.8560)
Luminance	0.1968 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3180BB #BB6C31

analogous

#31BBB1 #3180BB #313BBB

triadic

#3180BB #BB3180 #80BB31

tetradic

#3180BB #B131BB #BB6C31 #3BBB31

square

#3180BB #B131BB #BB6C31 #3BBB31

split-complementary

#3180BB #BB313B #BBB131

monochromatic

#183E5A #245F8B #3180BB #569ED3 #87BAE0

Accessibility & contrast

On white

4.25

#3180BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#3180BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3180BB

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3180BB	#FFFFFF	#000000	##000000
##3180BB	1.00	4.25	4.94	4.94
#FFFFFF	4.25	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)

#6582BE

Deuteranopia (green-blind)

#5275BA

Tritanopia (blue-blind)

#008E95

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3180bb;
/* rgb */ color: rgb(49, 128, 187);
/* oklch */ color: oklch(57.9% 0.119 244.7);

Tailwind

colors: {
  custom: {
    50: '#7ba4cf',
    500: '#3180bb',
    950: '#000000',
  },
}

SCSS

$custom: #3180bb;
$custom-light: #7ba4cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3180bb",
  "rgb": {
    "r": 49,
    "g": 128,
    "b": 187
  },
  "hsl": {
    "h": 205.652,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.57919,
    "c": 0.11852,
    "h": 244.7
  },
  "luminance": 0.19679
}

Semantic roles & 50–950 ramp

primary

#3180BB

secondary

#C99E7F

accent

#8946E2

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3180BB

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

Preview Lab → · Contrast checker → · Palette generator →