#2A9AB3#2A9AB3

#2A9AB3 is a light, moderate cyan. Relative luminance 0.269; OKLCH L 63.6% C 0.102 H 216.6°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#2A9AB3
RGB	rgb(42, 154, 179)
HSL	hsl(191, 62%, 43%)
HSV	hsv(191, 77%, 70%)
CMYK	cmyk(76.5%, 14%, 0%, 29.8%)
CIE-LAB	lab(58.84, -22.04, -21.83)
CIE-LCH	lch(58.84, 31.02, 224.73°)
OKLab	oklab(63.64% -0.0822 -0.0609)
OKLCH	oklch(63.64% 0.102 216.6)
XYZ	xyz(20.6437, 26.8556, 46.7347)
Luminance	0.2686 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A9AB3 #B3432A

analogous

#2AB387 #2A9AB3 #2A55B3

triadic

#2A9AB3 #B32A9A #9AB32A

tetradic

#2A9AB3 #872AB3 #B3432A #55B32A

square

#2A9AB3 #872AB3 #B3432A #55B32A

split-complementary

#2A9AB3 #B32A55 #B3872A

monochromatic

#134550 #1E6F81 #2A9AB3 #46BAD4 #78CCDF

Accessibility & contrast

On white

3.30

#2A9AB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.37

#2A9AB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A9AB3

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A9AB3	#FFFFFF	#000000	##000000
##2A9AB3	1.00	3.30	6.37	6.37
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.37	21.00	1.00	1.00
##000000	6.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8995B4

Deuteranopia (green-blind)

#7788B3

Tritanopia (blue-blind)

#00A3A2

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #2a9ab3;
/* rgb */ color: rgb(42, 154, 179);
/* oklch */ color: oklch(63.6% 0.102 216.6);

Tailwind

colors: {
  custom: {
    50: '#79b8c9',
    500: '#2a9ab3',
    950: '#000000',
  },
}

SCSS

$custom: #2a9ab3;
$custom-light: #79b8c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a9ab3",
  "rgb": {
    "r": 42,
    "g": 154,
    "b": 179
  },
  "hsl": {
    "h": 190.949,
    "s": 61.991,
    "l": 43.333
  },
  "oklch": {
    "l": 0.63637,
    "c": 0.10232,
    "h": 216.6
  },
  "luminance": 0.26858
}

Semantic roles & 50–950 ramp

primary

#2A9AB3

secondary

#C78172

accent

#6043E5

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #2A9AB3

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

Preview Lab → · Contrast checker → · Palette generator →