#3182B4#3182B4

#3182B4 is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 58.0% C 0.109 H 239.8°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#3182B4
RGB	rgb(49, 130, 180)
HSL	hsl(203, 57%, 45%)
HSV	hsv(203, 73%, 71%)
CMYK	cmyk(72.8%, 27.8%, 0%, 29.4%)
CIE-LAB	lab(51.74, -7.61, -33.38)
CIE-LCH	lch(51.74, 34.24, 257.16°)
OKLab	oklab(58.02% -0.0547 -0.0942)
OKLCH	oklch(58.02% 0.109 239.8)
XYZ	xyz(17.4843, 19.9115, 46.0930)
Luminance	0.1991 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3182B4 #B46331

analogous

#31B4A5 #3182B4 #3140B4

triadic

#3182B4 #B43182 #82B431

tetradic

#3182B4 #A531B4 #B46331 #40B431

square

#3182B4 #A531B4 #B46331 #40B431

split-complementary

#3182B4 #B43140 #B4A531

monochromatic

#173D54 #245F84 #3182B4 #52A0D0 #82BADD

Accessibility & contrast

On white

4.21

#3182B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#3182B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3182B4

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3182B4	#FFFFFF	#000000	##000000
##3182B4	1.00	4.21	4.98	4.98
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B82B6

Deuteranopia (green-blind)

#5976B3

Tritanopia (blue-blind)

#008F93

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3182b4;
/* rgb */ color: rgb(49, 130, 180);
/* oklch */ color: oklch(58.0% 0.109 239.8);

Tailwind

colors: {
  custom: {
    50: '#7aa6ca',
    500: '#3182b4',
    950: '#000000',
  },
}

SCSS

$custom: #3182b4;
$custom-light: #7aa6ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3182b4",
  "rgb": {
    "r": 49,
    "g": 130,
    "b": 180
  },
  "hsl": {
    "h": 202.901,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.5802,
    "c": 0.109,
    "h": 239.8
  },
  "luminance": 0.19914
}

Semantic roles & 50–950 ramp

primary

#3182B4

secondary

#C6977B

accent

#8247E0

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #3182B4

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

Preview Lab → · Contrast checker → · Palette generator →