#3398BF#3398BF

#3398BF is a light, moderate cyan. Relative luminance 0.269; OKLCH L 63.9% C 0.107 H 228.1°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#3398BF
RGB	rgb(51, 152, 191)
HSL	hsl(197, 58%, 47%)
HSV	hsv(197, 73%, 75%)
CMYK	cmyk(73.3%, 20.4%, 0%, 25.1%)
CIE-LAB	lab(58.90, -15.88, -28.50)
CIE-LCH	lch(58.90, 32.63, 240.88°)
OKLab	oklab(63.9% -0.0717 -0.08)
OKLCH	oklch(63.9% 0.107 228.1)
XYZ	xyz(21.9936, 26.9193, 53.3169)
Luminance	0.2692 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3398BF #BF5A33

analogous

#33BFA0 #3398BF #3352BF

triadic

#3398BF #BF3398 #98BF33

tetradic

#3398BF #A033BF #BF5A33 #52BF33

square

#3398BF #A033BF #BF5A33 #52BF33

split-complementary

#3398BF #BF3352 #BFA033

monochromatic

#194B5E #26728F #3398BF #5CB2D3 #8CC9E0

Accessibility & contrast

On white

3.29

#3398BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.38

#3398BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3398BF

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3398BF	#FFFFFF	#000000	##000000
##3398BF	1.00	3.29	6.38	6.38
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.38	21.00	1.00	1.00
##000000	6.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8395C1

Deuteranopia (green-blind)

#7188BE

Tritanopia (blue-blind)

#00A3A5

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #3398bf;
/* rgb */ color: rgb(51, 152, 191);
/* oklch */ color: oklch(63.9% 0.107 228.1);

Tailwind

colors: {
  custom: {
    50: '#7eb6d2',
    500: '#3398bf',
    950: '#000000',
  },
}

SCSS

$custom: #3398bf;
$custom-light: #7eb6d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3398bf",
  "rgb": {
    "r": 51,
    "g": 152,
    "b": 191
  },
  "hsl": {
    "h": 196.714,
    "s": 57.851,
    "l": 47.451
  },
  "oklch": {
    "l": 0.63896,
    "c": 0.10737,
    "h": 228.1
  },
  "luminance": 0.26922
}

Semantic roles & 50–950 ramp

primary

#3398BF

secondary

#CB9783

accent

#7247E1

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3398BF

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

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