#3180B6#3180B6

#3180B6 is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.6% C 0.113 H 242.4°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#3180B6
RGB	rgb(49, 128, 182)
HSL	hsl(204, 58%, 45%)
HSV	hsv(204, 73%, 71%)
CMYK	cmyk(73.1%, 29.7%, 0%, 28.6%)
CIE-LAB	lab(51.23, -5.73, -35.33)
CIE-LCH	lch(51.23, 35.79, 260.78°)
OKLab	oklab(57.65% -0.0521 -0.0999)
OKLCH	oklch(57.65% 0.113 242.4)
XYZ	xyz(17.4260, 19.4667, 47.0860)
Luminance	0.1947 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3180B6 #B66731

analogous

#31B6AA #3180B6 #313DB6

triadic

#3180B6 #B63180 #80B631

tetradic

#3180B6 #AA31B6 #B66731 #3DB631

square

#3180B6 #AA31B6 #B66731 #3DB631

split-complementary

#3180B6 #B6313D #B6AA31

monochromatic

#173C56 #245E86 #3180B6 #539ED1 #84B9DE

Accessibility & contrast

On white

4.29

#3180B6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#3180B6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3180B6

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3180B6	#FFFFFF	#000000	##000000
##3180B6	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6781B8

Deuteranopia (green-blind)

#5574B5

Tritanopia (blue-blind)

#008D93

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3180b6;
/* rgb */ color: rgb(49, 128, 182);
/* oklch */ color: oklch(57.6% 0.113 242.4);

Tailwind

colors: {
  custom: {
    50: '#7aa4cc',
    500: '#3180b6',
    950: '#000000',
  },
}

SCSS

$custom: #3180b6;
$custom-light: #7aa4cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3180b6",
  "rgb": {
    "r": 49,
    "g": 128,
    "b": 182
  },
  "hsl": {
    "h": 204.361,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.57649,
    "c": 0.1127,
    "h": 242.4
  },
  "luminance": 0.19469
}

Semantic roles & 50–950 ramp

primary

#3180B6

secondary

#C79A7C

accent

#8547E1

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #3180B6

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

Preview Lab → · Contrast checker → · Palette generator →