#3A9FDC#3A9FDC

#3A9FDC is a light, vivid cyan. Relative luminance 0.309; OKLCH L 67.1% C 0.129 H 239.6°. Best body text is #000000 at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#3A9FDC
RGB	rgb(58, 159, 220)
HSL	hsl(203, 70%, 55%)
HSV	hsv(203, 74%, 86%)
CMYK	cmyk(73.6%, 27.7%, 0%, 13.7%)
CIE-LAB	lab(62.39, -8.97, -39.27)
CIE-LCH	lch(62.39, 40.28, 257.13°)
OKLab	oklab(67.13% -0.065 -0.1109)
OKLCH	oklch(67.13% 0.129 239.6)
XYZ	xyz(27.0563, 30.8600, 72.2269)
Luminance	0.3086 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A9FDC #DC773A

analogous

#3ADCC8 #3A9FDC #3A4EDC

triadic

#3A9FDC #DC3A9F #9FDC3A

tetradic

#3A9FDC #C83ADC #DC773A #4EDC3A

square

#3A9FDC #C83ADC #DC773A #4EDC3A

split-complementary

#3A9FDC #DC3A4E #DCC83A

monochromatic

#175B84 #217FB8 #3A9FDC #6EB8E5 #A2D2EE

Accessibility & contrast

On white

2.93

#3A9FDC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.17

#3A9FDC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3A9FDC

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A9FDC	#FFFFFF	#000000	##000000
##3A9FDC	1.00	2.93	7.17	7.17
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.17	21.00	1.00	1.00
##000000	7.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#829FDF

Deuteranopia (green-blind)

#6C90DB

Tritanopia (blue-blind)

#00AEB4

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #3a9fdc;
/* rgb */ color: rgb(58, 159, 220);
/* oklch */ color: oklch(67.1% 0.129 239.6);

Tailwind

colors: {
  custom: {
    50: '#85bbe7',
    500: '#3a9fdc',
    950: '#000000',
  },
}

SCSS

$custom: #3a9fdc;
$custom-light: #85bbe7;
$custom-dark: #000000;

JSON

{
  "hex": "#3a9fdc",
  "rgb": {
    "r": 58,
    "g": 159,
    "b": 220
  },
  "hsl": {
    "h": 202.593,
    "s": 69.828,
    "l": 54.51
  },
  "oklch": {
    "l": 0.67134,
    "c": 0.1286,
    "h": 239.6
  },
  "luminance": 0.30863
}

Semantic roles & 50–950 ramp

primary

#3A9FDC

secondary

#DBB097

accent

#7E3BED

background

#F8FBFE

surface

#F0F6FC

border

#CBD0D5

text

#0D1116

muted

#7D8084

Preview Lab

Preview with #3A9FDC

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

Preview Lab → · Contrast checker → · Palette generator →