#3A9BDC#3A9BDC

#3A9BDC is a light, vivid cyan. Relative luminance 0.295; OKLCH L 66.2% C 0.131 H 242.2°. Best body text is #000000 at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#3A9BDC
RGB	rgb(58, 155, 220)
HSL	hsl(204, 70%, 55%)
HSV	hsv(204, 74%, 86%)
CMYK	cmyk(73.6%, 29.5%, 0%, 13.7%)
CIE-LAB	lab(61.23, -6.72, -41.10)
CIE-LCH	lch(61.23, 41.64, 260.71°)
OKLab	oklab(66.21% -0.0613 -0.1163)
OKLCH	oklch(66.21% 0.131 242.2)
XYZ	xyz(26.3795, 29.5065, 72.0013)
Luminance	0.2951 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A9BDC #DC7B3A

analogous

#3ADCCC #3A9BDC #3A4ADC

triadic

#3A9BDC #DC3A9B #9BDC3A

tetradic

#3A9BDC #CC3ADC #DC7B3A #4ADC3A

square

#3A9BDC #CC3ADC #DC7B3A #4ADC3A

split-complementary

#3A9BDC #DC3A4A #DCCC3A

monochromatic

#175984 #217BB8 #3A9BDC #6EB5E5 #A2D0EE

Accessibility & contrast

On white

3.04

#3A9BDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.90

#3A9BDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A9BDC

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A9BDC	#FFFFFF	#000000	##000000
##3A9BDC	1.00	3.04	6.90	6.90
#FFFFFF	3.04	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)

#7D9CDF

Deuteranopia (green-blind)

#678DDB

Tritanopia (blue-blind)

#00ABB2

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #3a9bdc;
/* rgb */ color: rgb(58, 155, 220);
/* oklch */ color: oklch(66.2% 0.131 242.2);

Tailwind

colors: {
  custom: {
    50: '#85b8e7',
    500: '#3a9bdc',
    950: '#000000',
  },
}

SCSS

$custom: #3a9bdc;
$custom-light: #85b8e7;
$custom-dark: #000000;

JSON

{
  "hex": "#3a9bdc",
  "rgb": {
    "r": 58,
    "g": 155,
    "b": 220
  },
  "hsl": {
    "h": 204.074,
    "s": 69.828,
    "l": 54.51
  },
  "oklch": {
    "l": 0.66213,
    "c": 0.13145,
    "h": 242.2
  },
  "luminance": 0.2951
}

Semantic roles & 50–950 ramp

primary

#3A9BDC

secondary

#DBB297

accent

#823BED

background

#F8FBFE

surface

#F0F6FC

border

#CBD0D5

text

#0D1116

muted

#7D8084

Preview Lab

Preview with #3A9BDC

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

Preview Lab → · Contrast checker → · Palette generator →