#2A9BBB#2A9BBB

#2A9BBB is a light, moderate cyan. Relative luminance 0.275; OKLCH L 64.2% C 0.107 H 221.6°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#2A9BBB
RGB	rgb(42, 155, 187)
HSL	hsl(193, 63%, 45%)
HSV	hsv(193, 78%, 73%)
CMYK	cmyk(77.5%, 17.1%, 0%, 26.7%)
CIE-LAB	lab(59.45, -19.91, -25.41)
CIE-LCH	lch(59.45, 32.28, 231.92°)
OKLab	oklab(64.23% -0.08 -0.0711)
OKLCH	oklch(64.23% 0.107 221.6)
XYZ	xyz(21.6421, 27.5201, 51.1754)
Luminance	0.2752 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A9BBB #BB4A2A

analogous

#2ABB92 #2A9BBB #2A53BB

triadic

#2A9BBB #BB2A9B #9BBB2A

tetradic

#2A9BBB #922ABB #BB4A2A #53BB2A

square

#2A9BBB #922ABB #BB4A2A #53BB2A

split-complementary

#2A9BBB #BB2A53 #BB922A

monochromatic

#144857 #1F7289 #2A9BBB #4CB8D7 #7DCCE2

Accessibility & contrast

On white

3.23

#2A9BBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#2A9BBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A9BBB

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A9BBB	#FFFFFF	#000000	##000000
##2A9BBB	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8897BD

Deuteranopia (green-blind)

#7589BB

Tritanopia (blue-blind)

#00A5A5

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #2a9bbb;
/* rgb */ color: rgb(42, 155, 187);
/* oklch */ color: oklch(64.2% 0.107 221.6);

Tailwind

colors: {
  custom: {
    50: '#7bb8cf',
    500: '#2a9bbb',
    950: '#000000',
  },
}

SCSS

$custom: #2a9bbb;
$custom-light: #7bb8cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a9bbb",
  "rgb": {
    "r": 42,
    "g": 155,
    "b": 187
  },
  "hsl": {
    "h": 193.241,
    "s": 63.319,
    "l": 44.902
  },
  "oklch": {
    "l": 0.64231,
    "c": 0.10706,
    "h": 221.6
  },
  "luminance": 0.27523
}

Semantic roles & 50–950 ramp

primary

#2A9BBB

secondary

#CA8976

accent

#6641E6

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #2A9BBB

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

Preview Lab → · Contrast checker → · Palette generator →