#2A9BB3#2A9BB3

#2A9BB3 is a light, moderate cyan. Relative luminance 0.272; OKLCH L 63.9% C 0.102 H 215.6°. Best body text is #000000 at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#2A9BB3
RGB	rgb(42, 155, 179)
HSL	hsl(191, 62%, 43%)
HSV	hsv(191, 77%, 70%)
CMYK	cmyk(76.5%, 13.4%, 0%, 29.8%)
CIE-LAB	lab(59.15, -22.56, -21.36)
CIE-LCH	lch(59.15, 31.07, 223.44°)
OKLab	oklab(63.88% -0.0832 -0.0596)
OKLCH	oklch(63.88% 0.102 215.6)
XYZ	xyz(20.8094, 27.1871, 46.7900)
Luminance	0.2719 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A9BB3 #B3422A

analogous

#2AB386 #2A9BB3 #2A56B3

triadic

#2A9BB3 #B32A9B #9BB32A

tetradic

#2A9BB3 #862AB3 #B3422A #56B32A

square

#2A9BB3 #862AB3 #B3422A #56B32A

split-complementary

#2A9BB3 #B32A56 #B3862A

monochromatic

#134550 #1E7081 #2A9BB3 #46BBD4 #78CDDF

Accessibility & contrast

On white

3.26

#2A9BB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.44

#2A9BB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A9BB3

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A9BB3	#FFFFFF	#000000	##000000
##2A9BB3	1.00	3.26	6.44	6.44
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.44	21.00	1.00	1.00
##000000	6.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B96B4

Deuteranopia (green-blind)

#7889B3

Tritanopia (blue-blind)

#00A4A2

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #2a9bb3;
/* rgb */ color: rgb(42, 155, 179);
/* oklch */ color: oklch(63.9% 0.102 215.6);

Tailwind

colors: {
  custom: {
    50: '#79b8c9',
    500: '#2a9bb3',
    950: '#000000',
  },
}

SCSS

$custom: #2a9bb3;
$custom-light: #79b8c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a9bb3",
  "rgb": {
    "r": 42,
    "g": 155,
    "b": 179
  },
  "hsl": {
    "h": 190.511,
    "s": 61.991,
    "l": 43.333
  },
  "oklch": {
    "l": 0.63884,
    "c": 0.10234,
    "h": 215.6
  },
  "luminance": 0.2719
}

Semantic roles & 50–950 ramp

primary

#2A9BB3

secondary

#C78172

accent

#5F43E5

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #2A9BB3

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

Preview Lab → · Contrast checker → · Palette generator →