#3697BB#3697BB

#3697BB is a light, moderate cyan. Relative luminance 0.265; OKLCH L 63.6% C 0.103 H 226.8°. Best body text is #000000 at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#3697BB
RGB	rgb(54, 151, 187)
HSL	hsl(196, 55%, 47%)
HSV	hsv(196, 71%, 73%)
CMYK	cmyk(71.1%, 19.3%, 0%, 26.7%)
CIE-LAB	lab(58.51, -16.26, -26.84)
CIE-LCH	lch(58.51, 31.38, 238.78°)
OKLab	oklab(63.55% -0.0707 -0.0752)
OKLCH	oklch(63.55% 0.103 226.8)
XYZ	xyz(21.5539, 26.5029, 50.9837)
Luminance	0.2651 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3697BB #BB5A36

analogous

#36BB9D #3697BB #3654BB

triadic

#3697BB #BB3697 #97BB36

tetradic

#3697BB #9D36BB #BB5A36 #54BB36

square

#3697BB #9D36BB #BB5A36 #54BB36

split-complementary

#3697BB #BB3654 #BB9D36

monochromatic

#1B4A5C #28718C #3697BB #5EB1D0 #8DC8DE

Accessibility & contrast

On white

3.33

#3697BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.30

#3697BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3697BB

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3697BB	#FFFFFF	#000000	##000000
##3697BB	1.00	3.33	6.30	6.30
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.30	21.00	1.00	1.00
##000000	6.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8494BD

Deuteranopia (green-blind)

#7187BB

Tritanopia (blue-blind)

#00A1A3

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #3697bb;
/* rgb */ color: rgb(54, 151, 187);
/* oklch */ color: oklch(63.6% 0.103 226.8);

Tailwind

colors: {
  custom: {
    50: '#7eb5cf',
    500: '#3697bb',
    950: '#000000',
  },
}

SCSS

$custom: #3697bb;
$custom-light: #7eb5cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3697bb",
  "rgb": {
    "r": 54,
    "g": 151,
    "b": 187
  },
  "hsl": {
    "h": 196.241,
    "s": 55.187,
    "l": 47.255
  },
  "oklch": {
    "l": 0.63554,
    "c": 0.10317,
    "h": 226.8
  },
  "luminance": 0.26505
}

Semantic roles & 50–950 ramp

primary

#3697BB

secondary

#C99784

accent

#7249DF

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3697BB

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

Preview Lab → · Contrast checker → · Palette generator →