#3A9DDC#3A9DDC

#3A9DDC is a light, vivid cyan. Relative luminance 0.302; OKLCH L 66.7% C 0.130 H 240.9°. Best body text is #000000 at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#3A9DDC
RGB	rgb(58, 157, 220)
HSL	hsl(203, 70%, 55%)
HSV	hsv(203, 74%, 86%)
CMYK	cmyk(73.6%, 28.6%, 0%, 13.7%)
CIE-LAB	lab(61.81, -7.85, -40.18)
CIE-LCH	lch(61.81, 40.94, 258.94°)
OKLab	oklab(66.67% -0.0631 -0.1136)
OKLCH	oklch(66.67% 0.13 240.9)
XYZ	xyz(26.7151, 30.1777, 72.1132)
Luminance	0.3018 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A9DDC #DC793A

analogous

#3ADCCA #3A9DDC #3A4CDC

triadic

#3A9DDC #DC3A9D #9DDC3A

tetradic

#3A9DDC #CA3ADC #DC793A #4CDC3A

square

#3A9DDC #CA3ADC #DC793A #4CDC3A

split-complementary

#3A9DDC #DC3A4C #DCCA3A

monochromatic

#175A84 #217DB8 #3A9DDC #6EB7E5 #A2D1EE

Accessibility & contrast

On white

2.98

#3A9DDC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.04

#3A9DDC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3A9DDC

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A9DDC	#FFFFFF	#000000	##000000
##3A9DDC	1.00	2.98	7.04	7.04
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.04	21.00	1.00	1.00
##000000	7.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#809EDF

Deuteranopia (green-blind)

#698EDB

Tritanopia (blue-blind)

#00ADB3

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #3a9ddc;
/* rgb */ color: rgb(58, 157, 220);
/* oklch */ color: oklch(66.7% 0.130 240.9);

Tailwind

colors: {
  custom: {
    50: '#85b9e7',
    500: '#3a9ddc',
    950: '#000000',
  },
}

SCSS

$custom: #3a9ddc;
$custom-light: #85b9e7;
$custom-dark: #000000;

JSON

{
  "hex": "#3a9ddc",
  "rgb": {
    "r": 58,
    "g": 157,
    "b": 220
  },
  "hsl": {
    "h": 203.333,
    "s": 69.828,
    "l": 54.51
  },
  "oklch": {
    "l": 0.66673,
    "c": 0.12999,
    "h": 240.9
  },
  "luminance": 0.30181
}

Semantic roles & 50–950 ramp

primary

#3A9DDC

secondary

#DBB197

accent

#803BED

background

#F8FBFE

surface

#F0F6FC

border

#CBD0D5

text

#0D1116

muted

#7D8084

Preview Lab

Preview with #3A9DDC

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

Preview Lab → · Contrast checker → · Palette generator →