#3182B5#3182B5

#3182B5 is a mid, moderate cyan. Relative luminance 0.200; OKLCH L 58.1% C 0.110 H 240.4°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#3182B5
RGB	rgb(49, 130, 181)
HSL	hsl(203, 57%, 45%)
HSV	hsv(203, 73%, 71%)
CMYK	cmyk(72.9%, 28.2%, 0%, 29%)
CIE-LAB	lab(51.78, -7.25, -33.89)
CIE-LCH	lch(51.78, 34.65, 257.92°)
OKLab	oklab(58.07% -0.0544 -0.0957)
OKLCH	oklch(58.07% 0.11 240.4)
XYZ	xyz(17.5865, 19.9524, 46.6314)
Luminance	0.1995 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3182B5 #B56431

analogous

#31B5A6 #3182B5 #3140B5

triadic

#3182B5 #B53182 #82B531

tetradic

#3182B5 #A631B5 #B56431 #40B531

square

#3182B5 #A631B5 #B56431 #40B531

split-complementary

#3182B5 #B53140 #B5A631

monochromatic

#173D55 #245F85 #3182B5 #53A0D0 #83BADD

Accessibility & contrast

On white

4.21

#3182B5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#3182B5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3182B5

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3182B5	#FFFFFF	#000000	##000000
##3182B5	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A82B7

Deuteranopia (green-blind)

#5876B4

Tritanopia (blue-blind)

#008F94

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3182b5;
/* rgb */ color: rgb(49, 130, 181);
/* oklch */ color: oklch(58.1% 0.110 240.4);

Tailwind

colors: {
  custom: {
    50: '#7aa6cb',
    500: '#3182b5',
    950: '#000000',
  },
}

SCSS

$custom: #3182b5;
$custom-light: #7aa6cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3182b5",
  "rgb": {
    "r": 49,
    "g": 130,
    "b": 181
  },
  "hsl": {
    "h": 203.182,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.58072,
    "c": 0.1101,
    "h": 240.4
  },
  "luminance": 0.19954
}

Semantic roles & 50–950 ramp

primary

#3182B5

secondary

#C7987B

accent

#8247E1

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #3182B5

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

Preview Lab → · Contrast checker → · Palette generator →