#3198B5#3198B5

#3198B5 is a light, moderate cyan. Relative luminance 0.264; OKLCH L 63.4% C 0.101 H 220.7°. Best body text is #000000 at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#3198B5
RGB	rgb(49, 152, 181)
HSL	hsl(193, 57%, 45%)
HSV	hsv(193, 73%, 71%)
CMYK	cmyk(72.9%, 16%, 0%, 29%)
CIE-LAB	lab(58.46, -19.47, -23.54)
CIE-LCH	lch(58.46, 30.55, 230.41°)
OKLab	oklab(63.4% -0.0764 -0.0658)
OKLCH	oklch(63.4% 0.101 220.7)
XYZ	xyz(20.8319, 26.4432, 47.7132)
Luminance	0.2645 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3198B5 #B54E31

analogous

#31B590 #3198B5 #3156B5

triadic

#3198B5 #B53198 #98B531

tetradic

#3198B5 #9031B5 #B54E31 #56B531

square

#3198B5 #9031B5 #B54E31 #56B531

split-complementary

#3198B5 #B53156 #B59031

monochromatic

#174755 #247085 #3198B5 #53B5D0 #83CADD

Accessibility & contrast

On white

3.34

#3198B5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.29

#3198B5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3198B5

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3198B5	#FFFFFF	#000000	##000000
##3198B5	1.00	3.34	6.29	6.29
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.29	21.00	1.00	1.00
##000000	6.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8794B7

Deuteranopia (green-blind)

#7487B5

Tritanopia (blue-blind)

#00A1A1

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #3198b5;
/* rgb */ color: rgb(49, 152, 181);
/* oklch */ color: oklch(63.4% 0.101 220.7);

Tailwind

colors: {
  custom: {
    50: '#7cb6cb',
    500: '#3198b5',
    950: '#000000',
  },
}

SCSS

$custom: #3198b5;
$custom-light: #7cb6cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3198b5",
  "rgb": {
    "r": 49,
    "g": 152,
    "b": 181
  },
  "hsl": {
    "h": 193.182,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.63396,
    "c": 0.10082,
    "h": 220.7
  },
  "luminance": 0.26446
}

Semantic roles & 50–950 ramp

primary

#3198B5

secondary

#C78C7B

accent

#6947E1

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3198B5

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

Preview Lab → · Contrast checker → · Palette generator →