#3398BB#3398BB

#3398BB is a light, moderate cyan. Relative luminance 0.267; OKLCH L 63.7% C 0.104 H 225.4°. Best body text is #000000 at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#3398BB
RGB	rgb(51, 152, 187)
HSL	hsl(195, 57%, 47%)
HSV	hsv(195, 73%, 73%)
CMYK	cmyk(72.7%, 18.7%, 0%, 26.7%)
CIE-LAB	lab(58.74, -17.22, -26.49)
CIE-LCH	lch(58.74, 31.60, 236.99°)
OKLab	oklab(63.71% -0.0732 -0.0742)
OKLCH	oklch(63.71% 0.104 225.4)
XYZ	xyz(21.5594, 26.7456, 51.0302)
Luminance	0.2675 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3398BB #BB5633

analogous

#33BB9A #3398BB #3354BB

triadic

#3398BB #BB3398 #98BB33

tetradic

#3398BB #9A33BB #BB5633 #54BB33

square

#3398BB #9A33BB #BB5633 #54BB33

split-complementary

#3398BB #BB3354 #BB9A33

monochromatic

#194A5B #26718B #3398BB #59B3D2 #89C9DF

Accessibility & contrast

On white

3.31

#3398BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.35

#3398BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3398BB

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3398BB	#FFFFFF	#000000	##000000
##3398BB	1.00	3.31	6.35	6.35
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.35	21.00	1.00	1.00
##000000	6.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8595BD

Deuteranopia (green-blind)

#7287BB

Tritanopia (blue-blind)

#00A2A3

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #3398bb;
/* rgb */ color: rgb(51, 152, 187);
/* oklch */ color: oklch(63.7% 0.104 225.4);

Tailwind

colors: {
  custom: {
    50: '#7db6cf',
    500: '#3398bb',
    950: '#000000',
  },
}

SCSS

$custom: #3398bb;
$custom-light: #7db6cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3398bb",
  "rgb": {
    "r": 51,
    "g": 152,
    "b": 187
  },
  "hsl": {
    "h": 195.441,
    "s": 57.143,
    "l": 46.667
  },
  "oklch": {
    "l": 0.63714,
    "c": 0.1042,
    "h": 225.4
  },
  "luminance": 0.26748
}

Semantic roles & 50–950 ramp

primary

#3398BB

secondary

#C99381

accent

#6F47E0

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3398BB

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

Preview Lab → · Contrast checker → · Palette generator →