#3182B3#3182B3

#3182B3 is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 58.0% C 0.108 H 239.3°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#3182B3
RGB	rgb(49, 130, 179)
HSL	hsl(203, 57%, 45%)
HSV	hsv(203, 73%, 70%)
CMYK	cmyk(72.6%, 27.4%, 0%, 29.8%)
CIE-LAB	lab(51.69, -7.96, -32.88)
CIE-LCH	lch(51.69, 33.83, 256.39°)
OKLab	oklab(57.97% -0.0551 -0.0928)
OKLCH	oklch(57.97% 0.108 239.3)
XYZ	xyz(17.3828, 19.8709, 45.5584)
Luminance	0.1987 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3182B3 #B36231

analogous

#31B3A3 #3182B3 #3141B3

triadic

#3182B3 #B33182 #82B331

tetradic

#3182B3 #A331B3 #B36231 #41B331

square

#3182B3 #A331B3 #B36231 #41B331

split-complementary

#3182B3 #B33141 #B3A331

monochromatic

#173C53 #245F83 #3182B3 #52A0D0 #82BADD

Accessibility & contrast

On white

4.22

#3182B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#3182B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3182B3

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3182B3	#FFFFFF	#000000	##000000
##3182B3	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B82B5

Deuteranopia (green-blind)

#5976B2

Tritanopia (blue-blind)

#008E93

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3182b3;
/* rgb */ color: rgb(49, 130, 179);
/* oklch */ color: oklch(58.0% 0.108 239.3);

Tailwind

colors: {
  custom: {
    50: '#7aa6ca',
    500: '#3182b3',
    950: '#000000',
  },
}

SCSS

$custom: #3182b3;
$custom-light: #7aa6ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3182b3",
  "rgb": {
    "r": 49,
    "g": 130,
    "b": 179
  },
  "hsl": {
    "h": 202.615,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.57969,
    "c": 0.10791,
    "h": 239.3
  },
  "luminance": 0.19873
}

Semantic roles & 50–950 ramp

primary

#3182B3

secondary

#C6977A

accent

#8148E0

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #3182B3

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

Preview Lab → · Contrast checker → · Palette generator →