#3798BD#3798BD

#3798BD is a light, moderate cyan. Relative luminance 0.269; OKLCH L 63.9% C 0.104 H 227.4°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#3798BD
RGB	rgb(55, 152, 189)
HSL	hsl(197, 55%, 48%)
HSV	hsv(197, 71%, 74%)
CMYK	cmyk(70.9%, 19.6%, 0%, 25.9%)
CIE-LAB	lab(58.92, -16.00, -27.34)
CIE-LCH	lch(58.92, 31.67, 239.66°)
OKLab	oklab(63.91% -0.0704 -0.0766)
OKLCH	oklch(63.91% 0.104 227.4)
XYZ	xyz(21.9854, 26.9403, 52.1756)
Luminance	0.2694 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3798BD #BD5C37

analogous

#37BD9F #3798BD #3755BD

triadic

#3798BD #BD3798 #98BD37

tetradic

#3798BD #9F37BD #BD5C37 #55BD37

square

#3798BD #9F37BD #BD5C37 #55BD37

split-complementary

#3798BD #BD3755 #BD9F37

monochromatic

#1B4C5E #29728E #3798BD #60B2D1 #90C9DF

Accessibility & contrast

On white

3.29

#3798BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#3798BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3798BD

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3798BD	#FFFFFF	#000000	##000000
##3798BD	1.00	3.29	6.39	6.39
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8495BF

Deuteranopia (green-blind)

#7288BD

Tritanopia (blue-blind)

#00A3A4

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #3798bd;
/* rgb */ color: rgb(55, 152, 189);
/* oklch */ color: oklch(63.9% 0.104 227.4);

Tailwind

colors: {
  custom: {
    50: '#7fb6d1',
    500: '#3798bd',
    950: '#000000',
  },
}

SCSS

$custom: #3798bd;
$custom-light: #7fb6d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3798bd",
  "rgb": {
    "r": 55,
    "g": 152,
    "b": 189
  },
  "hsl": {
    "h": 196.567,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.63914,
    "c": 0.10404,
    "h": 227.4
  },
  "luminance": 0.26943
}

Semantic roles & 50–950 ramp

primary

#3798BD

secondary

#C99986

accent

#734ADE

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3798BD

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

Preview Lab → · Contrast checker → · Palette generator →