#2A9CB9#2A9CB9

#2A9CB9 is a light, moderate cyan. Relative luminance 0.278; OKLCH L 64.4% C 0.106 H 219.3°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#2A9CB9
RGB	rgb(42, 156, 185)
HSL	hsl(192, 63%, 45%)
HSV	hsv(192, 77%, 73%)
CMYK	cmyk(77.3%, 15.7%, 0%, 27.5%)
CIE-LAB	lab(59.68, -21.10, -23.93)
CIE-LCH	lch(59.68, 31.90, 228.60°)
OKLab	oklab(64.39% -0.0818 -0.0669)
OKLCH	oklch(64.39% 0.106 219.3)
XYZ	xyz(21.5966, 27.7693, 50.1113)
Luminance	0.2777 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A9CB9 #B9472A

analogous

#2AB98F #2A9CB9 #2A54B9

triadic

#2A9CB9 #B92A9C #9CB92A

tetradic

#2A9CB9 #8F2AB9 #B9472A #54B92A

square

#2A9CB9 #8F2AB9 #B9472A #54B92A

split-complementary

#2A9CB9 #B92A54 #B98F2A

monochromatic

#134855 #1F7287 #2A9CB9 #4ABAD6 #7CCDE1

Accessibility & contrast

On white

3.20

#2A9CB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#2A9CB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A9CB9

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A9CB9	#FFFFFF	#000000	##000000
##2A9CB9	1.00	3.20	6.55	6.55
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.55	21.00	1.00	1.00
##000000	6.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A98BB

Deuteranopia (green-blind)

#778AB9

Tritanopia (blue-blind)

#00A6A5

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #2a9cb9;
/* rgb */ color: rgb(42, 156, 185);
/* oklch */ color: oklch(64.4% 0.106 219.3);

Tailwind

colors: {
  custom: {
    50: '#7ab9ce',
    500: '#2a9cb9',
    950: '#000000',
  },
}

SCSS

$custom: #2a9cb9;
$custom-light: #7ab9ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2a9cb9",
  "rgb": {
    "r": 42,
    "g": 156,
    "b": 185
  },
  "hsl": {
    "h": 192.168,
    "s": 62.996,
    "l": 44.51
  },
  "oklch": {
    "l": 0.64388,
    "c": 0.10566,
    "h": 219.3
  },
  "luminance": 0.27772
}

Semantic roles & 50–950 ramp

primary

#2A9CB9

secondary

#CA8675

accent

#6342E6

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #2A9CB9

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

Preview Lab → · Contrast checker → · Palette generator →