#3797BB#3797BB

#3797BB is a light, moderate cyan. Relative luminance 0.265; OKLCH L 63.6% C 0.103 H 226.9°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#3797BB
RGB	rgb(55, 151, 187)
HSL	hsl(196, 55%, 47%)
HSV	hsv(196, 71%, 73%)
CMYK	cmyk(70.6%, 19.3%, 0%, 26.7%)
CIE-LAB	lab(58.54, -16.12, -26.80)
CIE-LCH	lch(58.54, 31.27, 238.97°)
OKLab	oklab(63.58% -0.0701 -0.075)
OKLCH	oklch(63.58% 0.103 226.9)
XYZ	xyz(21.6082, 26.5309, 50.9862)
Luminance	0.2653 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3797BB #BB5B37

analogous

#37BB9D #3797BB #3755BB

triadic

#3797BB #BB3797 #97BB37

tetradic

#3797BB #9D37BB #BB5B37 #55BB37

square

#3797BB #9D37BB #BB5B37 #55BB37

split-complementary

#3797BB #BB3755 #BB9D37

monochromatic

#1B4B5C #29718C #3797BB #5FB1D0 #8EC8DE

Accessibility & contrast

On white

3.33

#3797BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#3797BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3797BB

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3797BB	#FFFFFF	#000000	##000000
##3797BB	1.00	3.33	6.31	6.31
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.31	21.00	1.00	1.00
##000000	6.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8494BD

Deuteranopia (green-blind)

#7287BB

Tritanopia (blue-blind)

#00A1A3

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #3797bb;
/* rgb */ color: rgb(55, 151, 187);
/* oklch */ color: oklch(63.6% 0.103 226.9);

Tailwind

colors: {
  custom: {
    50: '#7fb5cf',
    500: '#3797bb',
    950: '#000000',
  },
}

SCSS

$custom: #3797bb;
$custom-light: #7fb5cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3797bb",
  "rgb": {
    "r": 55,
    "g": 151,
    "b": 187
  },
  "hsl": {
    "h": 196.364,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.63582,
    "c": 0.10272,
    "h": 226.9
  },
  "luminance": 0.26533
}

Semantic roles & 50–950 ramp

primary

#3797BB

secondary

#C99885

accent

#724ADE

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3797BB

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

Preview Lab → · Contrast checker → · Palette generator →