#3798DA#3798DA

#3798DA is a light, vivid cyan. Relative luminance 0.283; OKLCH L 65.3% C 0.133 H 242.8°. Best body text is #000000 at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#3798DA
RGB	rgb(55, 152, 218)
HSL	hsl(204, 69%, 54%)
HSV	hsv(204, 75%, 85%)
CMYK	cmyk(74.8%, 30.3%, 0%, 14.5%)
CIE-LAB	lab(60.18, -6.09, -41.63)
CIE-LCH	lch(60.18, 42.07, 261.67°)
OKLab	oklab(65.34% -0.0606 -0.1179)
OKLCH	oklch(65.34% 0.133 242.8)
XYZ	xyz(25.4538, 28.3277, 70.4424)
Luminance	0.2833 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3798DA #DA7937

analogous

#37DACA #3798DA #3747DA

triadic

#3798DA #DA3798 #98DA37

tetradic

#3798DA #CA37DA #DA7937 #47DA37

square

#3798DA #CA37DA #DA7937 #47DA37

split-complementary

#3798DA #DA3747 #DACA37

monochromatic

#18557F #2178B3 #3798DA #6BB3E4 #9ECDED

Accessibility & contrast

On white

3.15

#3798DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.67

#3798DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3798DA

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3798DA	#FFFFFF	#000000	##000000
##3798DA	1.00	3.15	6.67	6.67
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.67	21.00	1.00	1.00
##000000	6.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7999DD

Deuteranopia (green-blind)

#638AD9

Tritanopia (blue-blind)

#00A8AF

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #3798da;
/* rgb */ color: rgb(55, 152, 218);
/* oklch */ color: oklch(65.3% 0.133 242.8);

Tailwind

colors: {
  custom: {
    50: '#83b6e5',
    500: '#3798da',
    950: '#000000',
  },
}

SCSS

$custom: #3798da;
$custom-light: #83b6e5;
$custom-dark: #000000;

JSON

{
  "hex": "#3798da",
  "rgb": {
    "r": 55,
    "g": 152,
    "b": 218
  },
  "hsl": {
    "h": 204.294,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.65336,
    "c": 0.13258,
    "h": 242.8
  },
  "luminance": 0.28331
}

Semantic roles & 50–950 ramp

primary

#3798DA

secondary

#D9B093

accent

#833CEC

background

#F8FBFE

surface

#F0F6FC

border

#CBD0D5

text

#0C1116

muted

#7D8084

Preview Lab

Preview with #3798DA

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

Preview Lab → · Contrast checker → · Palette generator →