#3A9CD5#3A9CD5

#3A9CD5 is a light, vivid cyan. Relative luminance 0.295; OKLCH L 66.1% C 0.123 H 238.5°. Best body text is #000000 at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#3A9CD5
RGB	rgb(58, 156, 213)
HSL	hsl(202, 65%, 53%)
HSV	hsv(202, 73%, 84%)
CMYK	cmyk(72.8%, 26.8%, 0%, 16.5%)
CIE-LAB	lab(61.20, -9.70, -37.24)
CIE-LCH	lch(61.20, 38.48, 255.41°)
OKLab	oklab(66.09% -0.0644 -0.1051)
OKLCH	oklch(66.09% 0.123 238.5)
XYZ	xyz(25.6389, 29.4776, 67.2764)
Luminance	0.2948 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A9CD5 #D5733A

analogous

#3AD5C1 #3A9CD5 #3A4ED5

triadic

#3A9CD5 #D53A9C #9CD53A

tetradic

#3A9CD5 #C13AD5 #D5733A #4ED53A

square

#3A9CD5 #C13AD5 #D5733A #4ED53A

split-complementary

#3A9CD5 #D53A4E #D5C13A

monochromatic

#1A577A #257BAD #3A9CD5 #6CB5E0 #9FCFEB

Accessibility & contrast

On white

3.05

#3A9CD5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.90

#3A9CD5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A9CD5

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A9CD5	#FFFFFF	#000000	##000000
##3A9CD5	1.00	3.05	6.90	6.90
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.90	21.00	1.00	1.00
##000000	6.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#819CD8

Deuteranopia (green-blind)

#6C8DD4

Tritanopia (blue-blind)

#00AAB0

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #3a9cd5;
/* rgb */ color: rgb(58, 156, 213);
/* oklch */ color: oklch(66.1% 0.123 238.5);

Tailwind

colors: {
  custom: {
    50: '#84b9e2',
    500: '#3a9cd5',
    950: '#000000',
  },
}

SCSS

$custom: #3a9cd5;
$custom-light: #84b9e2;
$custom-dark: #000000;

JSON

{
  "hex": "#3a9cd5",
  "rgb": {
    "r": 58,
    "g": 156,
    "b": 213
  },
  "hsl": {
    "h": 202.065,
    "s": 64.854,
    "l": 53.137
  },
  "oklch": {
    "l": 0.66089,
    "c": 0.12327,
    "h": 238.5
  },
  "luminance": 0.29481
}

Semantic roles & 50–950 ramp

primary

#3A9CD5

secondary

#D7AD94

accent

#7E40E8

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3A9CD5

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

Preview Lab → · Contrast checker → · Palette generator →