#3A9BD3#3A9BD3

#3A9BD3 is a light, vivid cyan. Relative luminance 0.290; OKLCH L 65.8% C 0.122 H 238.2°. Best body text is #000000 at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#3A9BD3
RGB	rgb(58, 155, 211)
HSL	hsl(202, 63%, 53%)
HSV	hsv(202, 73%, 83%)
CMYK	cmyk(72.5%, 26.5%, 0%, 17.3%)
CIE-LAB	lab(60.82, -9.82, -36.72)
CIE-LCH	lch(60.82, 38.01, 255.02°)
OKLab	oklab(65.76% -0.0641 -0.1036)
OKLCH	oklch(65.76% 0.122 238.2)
XYZ	xyz(25.2195, 29.0425, 65.8920)
Luminance	0.2904 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A9BD3 #D3723A

analogous

#3AD3BE #3A9BD3 #3A4ED3

triadic

#3A9BD3 #D33A9B #9BD33A

tetradic

#3A9BD3 #BE3AD3 #D3723A #4ED33A

square

#3A9BD3 #BE3AD3 #D3723A #4ED33A

split-complementary

#3A9BD3 #D33A4E #D3BE3A

monochromatic

#1B5678 #267AAA #3A9BD3 #6CB4DE #9ECEE9

Accessibility & contrast

On white

3.08

#3A9BD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.81

#3A9BD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A9BD3

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A9BD3	#FFFFFF	#000000	##000000
##3A9BD3	1.00	3.08	6.81	6.81
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.81	21.00	1.00	1.00
##000000	6.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#819BD6

Deuteranopia (green-blind)

#6C8CD2

Tritanopia (blue-blind)

#00A9AE

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #3a9bd3;
/* rgb */ color: rgb(58, 155, 211);
/* oklch */ color: oklch(65.8% 0.122 238.2);

Tailwind

colors: {
  custom: {
    50: '#83b8e0',
    500: '#3a9bd3',
    950: '#000000',
  },
}

SCSS

$custom: #3a9bd3;
$custom-light: #83b8e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a9bd3",
  "rgb": {
    "r": 58,
    "g": 155,
    "b": 211
  },
  "hsl": {
    "h": 201.961,
    "s": 63.485,
    "l": 52.745
  },
  "oklch": {
    "l": 0.65757,
    "c": 0.12184,
    "h": 238.2
  },
  "luminance": 0.29045
}

Semantic roles & 50–950 ramp

primary

#3A9BD3

secondary

#D6AC93

accent

#7E41E7

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3A9BD3

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

Preview Lab → · Contrast checker → · Palette generator →