#3697B0#3697B0

#3697B0 is a light, moderate cyan. Relative luminance 0.261; OKLCH L 63.1% C 0.096 H 218.4°. Best body text is #000000 at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#3697B0
RGB	rgb(54, 151, 176)
HSL	hsl(192, 53%, 45%)
HSV	hsv(192, 69%, 69%)
CMYK	cmyk(69.3%, 14.2%, 0%, 31%)
CIE-LAB	lab(58.08, -19.86, -21.26)
CIE-LCH	lch(58.08, 29.10, 226.95°)
OKLab	oklab(63.07% -0.0749 -0.0593)
OKLCH	oklch(63.07% 0.096 218.4)
XYZ	xyz(20.4212, 26.0498, 45.0177)
Luminance	0.2605 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3697B0 #B04F36

analogous

#36B08C #3697B0 #365AB0

triadic

#3697B0 #B03697 #97B036

tetradic

#3697B0 #8C36B0 #B04F36 #5AB036

square

#3697B0 #8C36B0 #B04F36 #5AB036

split-complementary

#3697B0 #B0365A #B08C36

monochromatic

#194752 #286F81 #3697B0 #58B4CC #86C9DA

Accessibility & contrast

On white

3.38

#3697B0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.21

#3697B0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3697B0

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3697B0	#FFFFFF	#000000	##000000
##3697B0	1.00	3.38	6.21	6.21
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.21	21.00	1.00	1.00
##000000	6.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8793B1

Deuteranopia (green-blind)

#7686B0

Tritanopia (blue-blind)

#00A09F

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #3697b0;
/* rgb */ color: rgb(54, 151, 176);
/* oklch */ color: oklch(63.1% 0.096 218.4);

Tailwind

colors: {
  custom: {
    50: '#7db5c7',
    500: '#3697b0',
    950: '#000000',
  },
}

SCSS

$custom: #3697b0;
$custom-light: #7db5c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3697b0",
  "rgb": {
    "r": 54,
    "g": 151,
    "b": 176
  },
  "hsl": {
    "h": 192.295,
    "s": 53.043,
    "l": 45.098
  },
  "oklch": {
    "l": 0.6307,
    "c": 0.09554,
    "h": 218.4
  },
  "luminance": 0.26052
}

Semantic roles & 50–950 ramp

primary

#3697B0

secondary

#C48C7E

accent

#694BDC

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3697B0

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

Preview Lab → · Contrast checker → · Palette generator →