#3A9CB3#3A9CB3

#3A9CB3 is a light, moderate cyan. Relative luminance 0.279; OKLCH L 64.5% C 0.095 H 216.3°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#3A9CB3
RGB	rgb(58, 156, 179)
HSL	hsl(191, 51%, 46%)
HSV	hsv(191, 68%, 70%)
CMYK	cmyk(67.6%, 12.8%, 0%, 29.8%)
CIE-LAB	lab(59.82, -20.92, -20.29)
CIE-LCH	lch(59.82, 29.15, 224.12°)
OKLab	oklab(64.54% -0.0768 -0.0565)
OKLCH	oklch(64.54% 0.095 216.3)
XYZ	xyz(21.7667, 27.9287, 46.8827)
Luminance	0.2793 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A9CB3 #B3513A

analogous

#3AB38E #3A9CB3 #3A60B3

triadic

#3A9CB3 #B33A9C #9CB33A

tetradic

#3A9CB3 #8E3AB3 #B3513A #60B33A

square

#3A9CB3 #8E3AB3 #B3513A #60B33A

split-complementary

#3A9CB3 #B33A60 #B38E3A

monochromatic

#1C4B57 #2B7485 #3A9CB3 #5FB7CB #8DCCDA

Accessibility & contrast

On white

3.19

#3A9CB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#3A9CB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A9CB3

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A9CB3	#FFFFFF	#000000	##000000
##3A9CB3	1.00	3.19	6.59	6.59
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C97B4

Deuteranopia (green-blind)

#7B8BB3

Tritanopia (blue-blind)

#00A4A3

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #3a9cb3;
/* rgb */ color: rgb(58, 156, 179);
/* oklch */ color: oklch(64.5% 0.095 216.3);

Tailwind

colors: {
  custom: {
    50: '#7fb9c9',
    500: '#3a9cb3',
    950: '#000000',
  },
}

SCSS

$custom: #3a9cb3;
$custom-light: #7fb9c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3a9cb3",
  "rgb": {
    "r": 58,
    "g": 156,
    "b": 179
  },
  "hsl": {
    "h": 191.405,
    "s": 51.055,
    "l": 46.471
  },
  "oklch": {
    "l": 0.64535,
    "c": 0.09536,
    "h": 216.3
  },
  "luminance": 0.27931
}

Semantic roles & 50–950 ramp

primary

#3A9CB3

secondary

#C59084

accent

#684DDB

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3A9CB3

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

Preview Lab → · Contrast checker → · Palette generator →