#3398B1#3398B1

#3398B1 is a light, moderate cyan. Relative luminance 0.263; OKLCH L 63.3% C 0.098 H 217.8°. Best body text is #000000 at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#3398B1
RGB	rgb(51, 152, 177)
HSL	hsl(192, 55%, 45%)
HSV	hsv(192, 71%, 69%)
CMYK	cmyk(71.2%, 14.1%, 0%, 30.6%)
CIE-LAB	lab(58.35, -20.50, -21.43)
CIE-LCH	lch(58.35, 29.65, 226.27°)
OKLab	oklab(63.28% -0.077 -0.0598)
OKLCH	oklch(63.28% 0.098 217.8)
XYZ	xyz(20.5260, 26.3322, 45.5873)
Luminance	0.2633 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3398B1 #B14C33

analogous

#33B18B #3398B1 #3359B1

triadic

#3398B1 #B13398 #98B133

tetradic

#3398B1 #8B33B1 #B14C33 #59B133

square

#3398B1 #8B33B1 #B14C33 #59B133

split-complementary

#3398B1 #B13359 #B18B33

monochromatic

#184652 #256F81 #3398B1 #54B5CE #83CADB

Accessibility & contrast

On white

3.35

#3398B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.27

#3398B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3398B1

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3398B1	#FFFFFF	#000000	##000000
##3398B1	1.00	3.35	6.27	6.27
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.27	21.00	1.00	1.00
##000000	6.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8894B2

Deuteranopia (green-blind)

#7687B1

Tritanopia (blue-blind)

#00A1A0

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #3398b1;
/* rgb */ color: rgb(51, 152, 177);
/* oklch */ color: oklch(63.3% 0.098 217.8);

Tailwind

colors: {
  custom: {
    50: '#7cb6c8',
    500: '#3398b1',
    950: '#000000',
  },
}

SCSS

$custom: #3398b1;
$custom-light: #7cb6c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3398b1",
  "rgb": {
    "r": 51,
    "g": 152,
    "b": 177
  },
  "hsl": {
    "h": 191.905,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.63275,
    "c": 0.09751,
    "h": 217.8
  },
  "luminance": 0.26335
}

Semantic roles & 50–950 ramp

primary

#3398B1

secondary

#C58A7B

accent

#6749DF

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3398B1

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

Preview Lab → · Contrast checker → · Palette generator →