#3182BB#3182BB

#3182BB is a mid, moderate cyan. Relative luminance 0.202; OKLCH L 58.4% C 0.117 H 243.3°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#3182BB
RGB	rgb(49, 130, 187)
HSL	hsl(205, 58%, 46%)
HSV	hsv(205, 74%, 73%)
CMYK	cmyk(73.8%, 30.5%, 0%, 26.7%)
CIE-LAB	lab(52.07, -5.12, -36.89)
CIE-LCH	lch(52.07, 37.24, 262.10°)
OKLab	oklab(58.39% -0.0525 -0.1044)
OKLCH	oklch(58.39% 0.117 243.3)
XYZ	xyz(18.2154, 20.2040, 49.9438)
Luminance	0.2021 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3182BB #BB6A31

analogous

#31BBAF #3182BB #313DBB

triadic

#3182BB #BB3182 #82BB31

tetradic

#3182BB #AF31BB #BB6A31 #3DBB31

square

#3182BB #AF31BB #BB6A31 #3DBB31

split-complementary

#3182BB #BB313D #BBAF31

monochromatic

#183F5A #24608B #3182BB #569FD3 #87BBE0

Accessibility & contrast

On white

4.17

#3182BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#3182BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3182BB

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3182BB	#FFFFFF	#000000	##000000
##3182BB	1.00	4.17	5.04	5.04
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6883BE

Deuteranopia (green-blind)

#5576BA

Tritanopia (blue-blind)

#009096

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3182bb;
/* rgb */ color: rgb(49, 130, 187);
/* oklch */ color: oklch(58.4% 0.117 243.3);

Tailwind

colors: {
  custom: {
    50: '#7ba6cf',
    500: '#3182bb',
    950: '#000000',
  },
}

SCSS

$custom: #3182bb;
$custom-light: #7ba6cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3182bb",
  "rgb": {
    "r": 49,
    "g": 130,
    "b": 187
  },
  "hsl": {
    "h": 204.783,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.5839,
    "c": 0.11688,
    "h": 243.3
  },
  "luminance": 0.20206
}

Semantic roles & 50–950 ramp

primary

#3182BB

secondary

#C99D7F

accent

#8646E2

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3182BB

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

Preview Lab → · Contrast checker → · Palette generator →