#3397BF#3397BF

#3397BF is a light, moderate cyan. Relative luminance 0.266; OKLCH L 63.7% C 0.108 H 229.0°. Best body text is #000000 at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#3397BF
RGB	rgb(51, 151, 191)
HSL	hsl(197, 58%, 47%)
HSV	hsv(197, 73%, 75%)
CMYK	cmyk(73.3%, 20.9%, 0%, 25.1%)
CIE-LAB	lab(58.60, -15.33, -28.97)
CIE-LCH	lch(58.60, 32.78, 242.11°)
OKLab	oklab(63.66% -0.0707 -0.0813)
OKLCH	oklch(63.66% 0.108 229)
XYZ	xyz(21.8320, 26.5961, 53.2630)
Luminance	0.2660 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3397BF #BF5B33

analogous

#33BFA1 #3397BF #3351BF

triadic

#3397BF #BF3397 #97BF33

tetradic

#3397BF #A133BF #BF5B33 #51BF33

square

#3397BF #A133BF #BF5B33 #51BF33

split-complementary

#3397BF #BF3351 #BFA133

monochromatic

#194B5E #26718F #3397BF #5CB1D3 #8CC8E0

Accessibility & contrast

On white

3.32

#3397BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.32

#3397BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3397BF

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3397BF	#FFFFFF	#000000	##000000
##3397BF	1.00	3.32	6.32	6.32
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.32	21.00	1.00	1.00
##000000	6.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8295C1

Deuteranopia (green-blind)

#6F87BE

Tritanopia (blue-blind)

#00A2A4

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #3397bf;
/* rgb */ color: rgb(51, 151, 191);
/* oklch */ color: oklch(63.7% 0.108 229.0);

Tailwind

colors: {
  custom: {
    50: '#7eb5d2',
    500: '#3397bf',
    950: '#000000',
  },
}

SCSS

$custom: #3397bf;
$custom-light: #7eb5d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3397bf",
  "rgb": {
    "r": 51,
    "g": 151,
    "b": 191
  },
  "hsl": {
    "h": 197.143,
    "s": 57.851,
    "l": 47.451
  },
  "oklch": {
    "l": 0.63656,
    "c": 0.10773,
    "h": 229
  },
  "luminance": 0.26599
}

Semantic roles & 50–950 ramp

primary

#3397BF

secondary

#CB9883

accent

#7347E1

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3397BF

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

Preview Lab → · Contrast checker → · Palette generator →