#3797BD#3797BD

#3797BD is a light, moderate cyan. Relative luminance 0.266; OKLCH L 63.7% C 0.104 H 228.3°. Best body text is #000000 at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#3797BD
RGB	rgb(55, 151, 189)
HSL	hsl(197, 55%, 48%)
HSV	hsv(197, 71%, 74%)
CMYK	cmyk(70.9%, 20.1%, 0%, 25.9%)
CIE-LAB	lab(58.62, -15.46, -27.80)
CIE-LCH	lch(58.62, 31.81, 240.93°)
OKLab	oklab(63.67% -0.0694 -0.0779)
OKLCH	oklch(63.67% 0.104 228.3)
XYZ	xyz(21.8238, 26.6171, 52.1217)
Luminance	0.2662 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3797BD #BD5D37

analogous

#37BDA0 #3797BD #3754BD

triadic

#3797BD #BD3797 #97BD37

tetradic

#3797BD #A037BD #BD5D37 #54BD37

square

#3797BD #A037BD #BD5D37 #54BD37

split-complementary

#3797BD #BD3754 #BDA037

monochromatic

#1B4B5E #29718E #3797BD #60B1D1 #90C8DF

Accessibility & contrast

On white

3.32

#3797BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.32

#3797BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3797BD

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3797BD	#FFFFFF	#000000	##000000
##3797BD	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)

#8394BF

Deuteranopia (green-blind)

#7187BD

Tritanopia (blue-blind)

#00A2A4

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #3797bd;
/* rgb */ color: rgb(55, 151, 189);
/* oklch */ color: oklch(63.7% 0.104 228.3);

Tailwind

colors: {
  custom: {
    50: '#7fb5d1',
    500: '#3797bd',
    950: '#000000',
  },
}

SCSS

$custom: #3797bd;
$custom-light: #7fb5d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3797bd",
  "rgb": {
    "r": 55,
    "g": 151,
    "b": 189
  },
  "hsl": {
    "h": 197.015,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.63673,
    "c": 0.10435,
    "h": 228.3
  },
  "luminance": 0.2662
}

Semantic roles & 50–950 ramp

primary

#3797BD

secondary

#C99986

accent

#744ADE

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3797BD

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

Preview Lab → · Contrast checker → · Palette generator →