#3798BC#3798BC

#3798BC is a light, moderate cyan. Relative luminance 0.269; OKLCH L 63.9% C 0.103 H 226.7°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#3798BC
RGB	rgb(55, 152, 188)
HSL	hsl(196, 55%, 48%)
HSV	hsv(196, 71%, 74%)
CMYK	cmyk(70.7%, 19.1%, 0%, 26.3%)
CIE-LAB	lab(58.88, -16.33, -26.83)
CIE-LCH	lch(58.88, 31.41, 238.67°)
OKLab	oklab(63.87% -0.0708 -0.0751)
OKLCH	oklch(63.87% 0.103 226.7)
XYZ	xyz(21.8772, 26.8971, 51.6059)
Luminance	0.2690 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3798BC #BC5B37

analogous

#37BC9E #3798BC #3755BC

triadic

#3798BC #BC3798 #98BC37

tetradic

#3798BC #9E37BC #BC5B37 #55BC37

square

#3798BC #9E37BC #BC5B37 #55BC37

split-complementary

#3798BC #BC3755 #BC9E37

monochromatic

#1B4B5D #29728D #3798BC #60B2D0 #8FC9DE

Accessibility & contrast

On white

3.29

#3798BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.38

#3798BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3798BC

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3798BC	#FFFFFF	#000000	##000000
##3798BC	1.00	3.29	6.38	6.38
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.38	21.00	1.00	1.00
##000000	6.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8595BE

Deuteranopia (green-blind)

#7288BC

Tritanopia (blue-blind)

#00A2A4

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #3798bc;
/* rgb */ color: rgb(55, 152, 188);
/* oklch */ color: oklch(63.9% 0.103 226.7);

Tailwind

colors: {
  custom: {
    50: '#7fb6d0',
    500: '#3798bc',
    950: '#000000',
  },
}

SCSS

$custom: #3798bc;
$custom-light: #7fb6d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3798bc",
  "rgb": {
    "r": 55,
    "g": 152,
    "b": 188
  },
  "hsl": {
    "h": 196.241,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.63868,
    "c": 0.10323,
    "h": 226.7
  },
  "luminance": 0.269
}

Semantic roles & 50–950 ramp

primary

#3798BC

secondary

#C99886

accent

#724ADE

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3798BC

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

Preview Lab → · Contrast checker → · Palette generator →