#3798C8#3798C8

#3798C8 is a light, moderate cyan. Relative luminance 0.274; OKLCH L 64.4% C 0.114 H 234.3°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#3798C8
RGB	rgb(55, 152, 200)
HSL	hsl(200, 57%, 50%)
HSV	hsv(200, 73%, 78%)
CMYK	cmyk(72.5%, 24%, 0%, 21.6%)
CIE-LAB	lab(59.38, -12.31, -32.82)
CIE-LCH	lch(59.38, 35.05, 249.45°)
OKLab	oklab(64.43% -0.0665 -0.0924)
OKLCH	oklch(64.43% 0.114 234.3)
XYZ	xyz(23.2250, 27.4362, 58.7041)
Luminance	0.2744 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3798C8 #C86737

analogous

#37C8B0 #3798C8 #374FC8

triadic

#3798C8 #C83798 #98C837

tetradic

#3798C8 #B037C8 #C86737 #4FC837

square

#3798C8 #B037C8 #C86737 #4FC837

split-complementary

#3798C8 #C8374F #C8B037

monochromatic

#1D4F68 #2A7498 #3798C8 #67B1D5 #97C9E2

Accessibility & contrast

On white

3.24

#3798C8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#3798C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3798C8

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3798C8	#FFFFFF	#000000	##000000
##3798C8	1.00	3.24	6.49	6.49
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.49	21.00	1.00	1.00
##000000	6.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8197CA

Deuteranopia (green-blind)

#6D89C7

Tritanopia (blue-blind)

#00A5A8

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #3798c8;
/* rgb */ color: rgb(55, 152, 200);
/* oklch */ color: oklch(64.4% 0.114 234.3);

Tailwind

colors: {
  custom: {
    50: '#81b6d9',
    500: '#3798c8',
    950: '#000000',
  },
}

SCSS

$custom: #3798c8;
$custom-light: #81b6d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3798c8",
  "rgb": {
    "r": 55,
    "g": 152,
    "b": 200
  },
  "hsl": {
    "h": 199.862,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.64429,
    "c": 0.11379,
    "h": 234.3
  },
  "luminance": 0.27439
}

Semantic roles & 50–950 ramp

primary

#3798C8

secondary

#CEA28D

accent

#7A48E0

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3798C8

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

Preview Lab → · Contrast checker → · Palette generator →