#3398B3#3398B3

#3398B3 is a light, moderate cyan. Relative luminance 0.264; OKLCH L 63.4% C 0.099 H 219.4°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#3398B3
RGB	rgb(51, 152, 179)
HSL	hsl(193, 56%, 45%)
HSV	hsv(193, 72%, 70%)
CMYK	cmyk(71.5%, 15.1%, 0%, 29.8%)
CIE-LAB	lab(58.43, -19.85, -22.45)
CIE-LCH	lch(58.43, 29.96, 228.51°)
OKLab	oklab(63.36% -0.0762 -0.0627)
OKLCH	oklch(63.36% 0.099 219.4)
XYZ	xyz(20.7268, 26.4126, 46.6449)
Luminance	0.2641 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3398B3 #B34E33

analogous

#33B38E #3398B3 #3358B3

triadic

#3398B3 #B33398 #98B333

tetradic

#3398B3 #8E33B3 #B34E33 #58B333

square

#3398B3 #8E33B3 #B34E33 #58B333

split-complementary

#3398B3 #B33358 #B38E33

monochromatic

#184754 #257083 #3398B3 #55B5CE #84CADC

Accessibility & contrast

On white

3.34

#3398B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#3398B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3398B3

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3398B3	#FFFFFF	#000000	##000000
##3398B3	1.00	3.34	6.28	6.28
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8794B4

Deuteranopia (green-blind)

#7687B3

Tritanopia (blue-blind)

#00A1A1

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #3398b3;
/* rgb */ color: rgb(51, 152, 179);
/* oklch */ color: oklch(63.4% 0.099 219.4);

Tailwind

colors: {
  custom: {
    50: '#7cb6c9',
    500: '#3398b3',
    950: '#000000',
  },
}

SCSS

$custom: #3398b3;
$custom-light: #7cb6c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3398b3",
  "rgb": {
    "r": 51,
    "g": 152,
    "b": 179
  },
  "hsl": {
    "h": 192.656,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.63361,
    "c": 0.09869,
    "h": 219.4
  },
  "luminance": 0.26415
}

Semantic roles & 50–950 ramp

primary

#3398B3

secondary

#C68C7C

accent

#6949DF

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3398B3

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

Preview Lab → · Contrast checker → · Palette generator →