#3180B8#3180B8

#3180B8 is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 57.8% C 0.115 H 243.4°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#3180B8
RGB	rgb(49, 128, 184)
HSL	hsl(205, 58%, 46%)
HSV	hsv(205, 73%, 72%)
CMYK	cmyk(73.4%, 30.4%, 0%, 27.8%)
CIE-LAB	lab(51.32, -5.02, -36.33)
CIE-LCH	lch(51.32, 36.68, 262.14°)
OKLab	oklab(57.76% -0.0515 -0.1028)
OKLCH	oklch(57.76% 0.115 243.4)
XYZ	xyz(17.6342, 19.5500, 48.1823)
Luminance	0.1955 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3180B8 #B86931

analogous

#31B8AC #3180B8 #313CB8

triadic

#3180B8 #B83180 #80B831

tetradic

#3180B8 #AC31B8 #B86931 #3CB831

square

#3180B8 #AC31B8 #B86931 #3CB831

split-complementary

#3180B8 #B8313C #B8AC31

monochromatic

#173D57 #245E88 #3180B8 #559ED2 #85B9DE

Accessibility & contrast

On white

4.28

#3180B8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#3180B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3180B8

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3180B8	#FFFFFF	#000000	##000000
##3180B8	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6681BA

Deuteranopia (green-blind)

#5475B7

Tritanopia (blue-blind)

#008E94

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3180b8;
/* rgb */ color: rgb(49, 128, 184);
/* oklch */ color: oklch(57.8% 0.115 243.4);

Tailwind

colors: {
  custom: {
    50: '#7ba4cd',
    500: '#3180b8',
    950: '#000000',
  },
}

SCSS

$custom: #3180b8;
$custom-light: #7ba4cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3180b8",
  "rgb": {
    "r": 49,
    "g": 128,
    "b": 184
  },
  "hsl": {
    "h": 204.889,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.57756,
    "c": 0.11501,
    "h": 243.4
  },
  "luminance": 0.19552
}

Semantic roles & 50–950 ramp

primary

#3180B8

secondary

#C89C7D

accent

#8747E1

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3180B8

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

Preview Lab → · Contrast checker → · Palette generator →