#3798BE#3798BE

#3798BE is a light, moderate cyan. Relative luminance 0.270; OKLCH L 64.0% C 0.105 H 228.1°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#3798BE
RGB	rgb(55, 152, 190)
HSL	hsl(197, 55%, 48%)
HSV	hsv(197, 71%, 75%)
CMYK	cmyk(71.1%, 20%, 0%, 25.5%)
CIE-LAB	lab(58.96, -15.67, -27.84)
CIE-LCH	lch(58.96, 31.94, 240.63°)
OKLab	oklab(63.96% -0.07 -0.078)
OKLCH	oklch(63.96% 0.105 228.1)
XYZ	xyz(22.0943, 26.9839, 52.7492)
Luminance	0.2699 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3798BE #BE5D37

analogous

#37BEA0 #3798BE #3754BE

triadic

#3798BE #BE3798 #98BE37

tetradic

#3798BE #A037BE #BE5D37 #54BE37

square

#3798BE #A037BE #BE5D37 #54BE37

split-complementary

#3798BE #BE3754 #BEA037

monochromatic

#1C4C5F #29728F #3798BE #61B2D1 #90C9DF

Accessibility & contrast

On white

3.28

#3798BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.40

#3798BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3798BE

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3798BE	#FFFFFF	#000000	##000000
##3798BE	1.00	3.28	6.40	6.40
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.40	21.00	1.00	1.00
##000000	6.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8495C0

Deuteranopia (green-blind)

#7288BE

Tritanopia (blue-blind)

#00A3A5

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #3798be;
/* rgb */ color: rgb(55, 152, 190);
/* oklch */ color: oklch(64.0% 0.105 228.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3798be",
  "rgb": {
    "r": 55,
    "g": 152,
    "b": 190
  },
  "hsl": {
    "h": 196.889,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.63959,
    "c": 0.10485,
    "h": 228.1
  },
  "luminance": 0.26986
}

Semantic roles & 50–950 ramp

primary

#3798BE

secondary

#CA9A87

accent

#7349DE

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3798BE

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

Preview Lab → · Contrast checker → · Palette generator →