#2A9AB2#2A9AB2

#2A9AB2 is a light, moderate cyan. Relative luminance 0.268; OKLCH L 63.6% C 0.102 H 215.8°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#2A9AB2
RGB	rgb(42, 154, 178)
HSL	hsl(191, 62%, 43%)
HSV	hsv(191, 76%, 70%)
CMYK	cmyk(76.4%, 13.5%, 0%, 30.2%)
CIE-LAB	lab(58.80, -22.36, -21.32)
CIE-LCH	lch(58.80, 30.90, 223.63°)
OKLab	oklab(63.59% -0.0826 -0.0595)
OKLCH	oklch(63.59% 0.102 215.8)
XYZ	xyz(20.5429, 26.8153, 46.2040)
Luminance	0.2682 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A9AB2 #B2422A

analogous

#2AB286 #2A9AB2 #2A56B2

triadic

#2A9AB2 #B22A9A #9AB22A

tetradic

#2A9AB2 #862AB2 #B2422A #56B22A

square

#2A9AB2 #862AB2 #B2422A #56B22A

split-complementary

#2A9AB2 #B22A56 #B2862A

monochromatic

#13444F #1E6F80 #2A9AB2 #46BAD3 #77CDDF

Accessibility & contrast

On white

3.30

#2A9AB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.36

#2A9AB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A9AB2

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A9AB2	#FFFFFF	#000000	##000000
##2A9AB2	1.00	3.30	6.36	6.36
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.36	21.00	1.00	1.00
##000000	6.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A95B3

Deuteranopia (green-blind)

#7788B2

Tritanopia (blue-blind)

#00A3A1

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #2a9ab2;
/* rgb */ color: rgb(42, 154, 178);
/* oklch */ color: oklch(63.6% 0.102 215.8);

Tailwind

colors: {
  custom: {
    50: '#79b8c9',
    500: '#2a9ab2',
    950: '#000000',
  },
}

SCSS

$custom: #2a9ab2;
$custom-light: #79b8c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a9ab2",
  "rgb": {
    "r": 42,
    "g": 154,
    "b": 178
  },
  "hsl": {
    "h": 190.588,
    "s": 61.818,
    "l": 43.137
  },
  "oklch": {
    "l": 0.63594,
    "c": 0.1018,
    "h": 215.8
  },
  "luminance": 0.26818
}

Semantic roles & 50–950 ramp

primary

#2A9AB2

secondary

#C78071

accent

#5F43E5

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #2A9AB2

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

Preview Lab → · Contrast checker → · Palette generator →