#3797BC#3797BC

#3797BC is a light, moderate cyan. Relative luminance 0.266; OKLCH L 63.6% C 0.104 H 227.6°. Best body text is #000000 at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#3797BC
RGB	rgb(55, 151, 188)
HSL	hsl(197, 55%, 48%)
HSV	hsv(197, 71%, 74%)
CMYK	cmyk(70.7%, 19.7%, 0%, 26.3%)
CIE-LAB	lab(58.58, -15.79, -27.30)
CIE-LCH	lch(58.58, 31.54, 239.95°)
OKLab	oklab(63.63% -0.0698 -0.0765)
OKLCH	oklch(63.63% 0.104 227.6)
XYZ	xyz(21.7156, 26.5738, 51.5520)
Luminance	0.2658 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3797BC #BC5C37

analogous

#37BC9F #3797BC #3754BC

triadic

#3797BC #BC3797 #97BC37

tetradic

#3797BC #9F37BC #BC5C37 #54BC37

square

#3797BC #9F37BC #BC5C37 #54BC37

split-complementary

#3797BC #BC3754 #BC9F37

monochromatic

#1B4B5D #29718D #3797BC #60B1D0 #8FC8DE

Accessibility & contrast

On white

3.33

#3797BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.32

#3797BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3797BC

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3797BC	#FFFFFF	#000000	##000000
##3797BC	1.00	3.33	6.32	6.32
#FFFFFF	3.33	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)

#8394BE

Deuteranopia (green-blind)

#7187BC

Tritanopia (blue-blind)

#00A2A3

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #3797bc;
/* rgb */ color: rgb(55, 151, 188);
/* oklch */ color: oklch(63.6% 0.104 227.6);

Tailwind

colors: {
  custom: {
    50: '#7fb5d0',
    500: '#3797bc',
    950: '#000000',
  },
}

SCSS

$custom: #3797bc;
$custom-light: #7fb5d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3797bc",
  "rgb": {
    "r": 55,
    "g": 151,
    "b": 188
  },
  "hsl": {
    "h": 196.692,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.63628,
    "c": 0.10353,
    "h": 227.6
  },
  "luminance": 0.26576
}

Semantic roles & 50–950 ramp

primary

#3797BC

secondary

#C99986

accent

#734ADE

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3797BC

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

Preview Lab → · Contrast checker → · Palette generator →