#3A9CDC#3A9CDC

#3A9CDC is a light, vivid cyan. Relative luminance 0.298; OKLCH L 66.4% C 0.131 H 241.6°. Best body text is #000000 at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#3A9CDC
RGB	rgb(58, 156, 220)
HSL	hsl(204, 70%, 55%)
HSV	hsv(204, 74%, 86%)
CMYK	cmyk(73.6%, 29.1%, 0%, 13.7%)
CIE-LAB	lab(61.52, -7.29, -40.64)
CIE-LCH	lch(61.52, 41.29, 259.83°)
OKLab	oklab(66.44% -0.0622 -0.115)
OKLCH	oklch(66.44% 0.131 241.6)
XYZ	xyz(26.5466, 29.8407, 72.0570)
Luminance	0.2984 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A9CDC #DC7A3A

analogous

#3ADCCB #3A9CDC #3A4BDC

triadic

#3A9CDC #DC3A9C #9CDC3A

tetradic

#3A9CDC #CB3ADC #DC7A3A #4BDC3A

square

#3A9CDC #CB3ADC #DC7A3A #4BDC3A

split-complementary

#3A9CDC #DC3A4B #DCCB3A

monochromatic

#175984 #217CB8 #3A9CDC #6EB6E5 #A2D0EE

Accessibility & contrast

On white

3.01

#3A9CDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.97

#3A9CDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A9CDC

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A9CDC	#FFFFFF	#000000	##000000
##3A9CDC	1.00	3.01	6.97	6.97
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.97	21.00	1.00	1.00
##000000	6.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E9DDF

Deuteranopia (green-blind)

#688EDB

Tritanopia (blue-blind)

#00ACB2

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #3a9cdc;
/* rgb */ color: rgb(58, 156, 220);
/* oklch */ color: oklch(66.4% 0.131 241.6);

Tailwind

colors: {
  custom: {
    50: '#85b9e7',
    500: '#3a9cdc',
    950: '#000000',
  },
}

SCSS

$custom: #3a9cdc;
$custom-light: #85b9e7;
$custom-dark: #000000;

JSON

{
  "hex": "#3a9cdc",
  "rgb": {
    "r": 58,
    "g": 156,
    "b": 220
  },
  "hsl": {
    "h": 203.704,
    "s": 69.828,
    "l": 54.51
  },
  "oklch": {
    "l": 0.66443,
    "c": 0.13071,
    "h": 241.6
  },
  "luminance": 0.29844
}

Semantic roles & 50–950 ramp

primary

#3A9CDC

secondary

#DBB297

accent

#813BED

background

#F8FBFE

surface

#F0F6FC

border

#CBD0D5

text

#0D1116

muted

#7D8084

Preview Lab

Preview with #3A9CDC

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

Preview Lab → · Contrast checker → · Palette generator →