#3798BF#3798BF

#3798BF is a light, moderate cyan. Relative luminance 0.270; OKLCH L 64.0% C 0.106 H 228.8°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#3798BF
RGB	rgb(55, 152, 191)
HSL	hsl(197, 55%, 48%)
HSV	hsv(197, 71%, 75%)
CMYK	cmyk(71.2%, 20.4%, 0%, 25.1%)
CIE-LAB	lab(59.00, -15.34, -28.34)
CIE-LCH	lch(59.00, 32.22, 241.58°)
OKLab	oklab(64.01% -0.0697 -0.0795)
OKLCH	oklch(64.01% 0.106 228.8)
XYZ	xyz(22.2040, 27.0278, 53.3268)
Luminance	0.2703 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3798BF #BF5E37

analogous

#37BFA2 #3798BF #3754BF

triadic

#3798BF #BF3798 #98BF37

tetradic

#3798BF #A237BF #BF5E37 #54BF37

square

#3798BF #A237BF #BF5E37 #54BF37

split-complementary

#3798BF #BF3754 #BFA237

monochromatic

#1C4C60 #29728F #3798BF #62B2D2 #91C9DF

Accessibility & contrast

On white

3.28

#3798BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#3798BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3798BF

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3798BF	#FFFFFF	#000000	##000000
##3798BF	1.00	3.28	6.41	6.41
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8496C1

Deuteranopia (green-blind)

#7188BE

Tritanopia (blue-blind)

#00A3A5

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #3798bf;
/* rgb */ color: rgb(55, 152, 191);
/* oklch */ color: oklch(64.0% 0.106 228.8);

Tailwind

colors: {
  custom: {
    50: '#7fb6d2',
    500: '#3798bf',
    950: '#000000',
  },
}

SCSS

$custom: #3798bf;
$custom-light: #7fb6d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3798bf",
  "rgb": {
    "r": 55,
    "g": 152,
    "b": 191
  },
  "hsl": {
    "h": 197.206,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.64005,
    "c": 0.10569,
    "h": 228.8
  },
  "luminance": 0.2703
}

Semantic roles & 50–950 ramp

primary

#3798BF

secondary

#CA9B88

accent

#7449DF

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3798BF

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

Preview Lab → · Contrast checker → · Palette generator →