#3398B5#3398B5

#3398B5 is a light, moderate cyan. Relative luminance 0.265; OKLCH L 63.4% C 0.100 H 221.0°. Best body text is #000000 at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#3398B5
RGB	rgb(51, 152, 181)
HSL	hsl(193, 56%, 45%)
HSV	hsv(193, 72%, 71%)
CMYK	cmyk(71.8%, 16%, 0%, 29%)
CIE-LAB	lab(58.50, -19.20, -23.46)
CIE-LCH	lch(58.50, 30.31, 230.71°)
OKLab	oklab(63.45% -0.0755 -0.0655)
OKLCH	oklch(63.45% 0.1 221)
XYZ	xyz(20.9305, 26.4941, 47.7179)
Luminance	0.2650 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3398B5 #B55033

analogous

#33B591 #3398B5 #3357B5

triadic

#3398B5 #B53398 #98B533

tetradic

#3398B5 #9133B5 #B55033 #57B533

square

#3398B5 #9133B5 #B55033 #57B533

split-complementary

#3398B5 #B53357 #B59133

monochromatic

#184856 #267085 #3398B5 #56B4CF #86C9DD

Accessibility & contrast

On white

3.33

#3398B5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.30

#3398B5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3398B5

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3398B5	#FFFFFF	#000000	##000000
##3398B5	1.00	3.33	6.30	6.30
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.30	21.00	1.00	1.00
##000000	6.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8794B7

Deuteranopia (green-blind)

#7587B5

Tritanopia (blue-blind)

#00A1A1

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #3398b5;
/* rgb */ color: rgb(51, 152, 181);
/* oklch */ color: oklch(63.4% 0.100 221.0);

Tailwind

colors: {
  custom: {
    50: '#7cb6cb',
    500: '#3398b5',
    950: '#000000',
  },
}

SCSS

$custom: #3398b5;
$custom-light: #7cb6cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3398b5",
  "rgb": {
    "r": 51,
    "g": 152,
    "b": 181
  },
  "hsl": {
    "h": 193.385,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.63448,
    "c": 0.09996,
    "h": 221
  },
  "luminance": 0.26496
}

Semantic roles & 50–950 ramp

primary

#3398B5

secondary

#C68E7D

accent

#6A48DF

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3398B5

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

Preview Lab → · Contrast checker → · Palette generator →