#2A9BB2#2A9BB2

#2A9BB2 is a light, moderate cyan. Relative luminance 0.271; OKLCH L 63.8% C 0.102 H 214.8°. Best body text is #000000 at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#2A9BB2
RGB	rgb(42, 155, 178)
HSL	hsl(190, 62%, 43%)
HSV	hsv(190, 76%, 70%)
CMYK	cmyk(76.4%, 12.9%, 0%, 30.2%)
CIE-LAB	lab(59.11, -22.88, -20.85)
CIE-LCH	lch(59.11, 30.96, 222.34°)
OKLab	oklab(63.84% -0.0836 -0.0582)
OKLCH	oklch(63.84% 0.102 214.8)
XYZ	xyz(20.7086, 27.1468, 46.2593)
Luminance	0.2715 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A9BB2 #B2412A

analogous

#2AB285 #2A9BB2 #2A57B2

triadic

#2A9BB2 #B22A9B #9BB22A

tetradic

#2A9BB2 #852AB2 #B2412A #57B22A

square

#2A9BB2 #852AB2 #B2412A #57B22A

split-complementary

#2A9BB2 #B22A57 #B2852A

monochromatic

#13454F #1E7080 #2A9BB2 #46BBD3 #77CDDF

Accessibility & contrast

On white

3.27

#2A9BB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.43

#2A9BB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A9BB2

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A9BB2	#FFFFFF	#000000	##000000
##2A9BB2	1.00	3.27	6.43	6.43
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.43	21.00	1.00	1.00
##000000	6.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B96B3

Deuteranopia (green-blind)

#7888B2

Tritanopia (blue-blind)

#00A4A2

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #2a9bb2;
/* rgb */ color: rgb(42, 155, 178);
/* oklch */ color: oklch(63.8% 0.102 214.8);

Tailwind

colors: {
  custom: {
    50: '#79b8c9',
    500: '#2a9bb2',
    950: '#000000',
  },
}

SCSS

$custom: #2a9bb2;
$custom-light: #79b8c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a9bb2",
  "rgb": {
    "r": 42,
    "g": 155,
    "b": 178
  },
  "hsl": {
    "h": 190.147,
    "s": 61.818,
    "l": 43.137
  },
  "oklch": {
    "l": 0.63842,
    "c": 0.10184,
    "h": 214.8
  },
  "luminance": 0.27149
}

Semantic roles & 50–950 ramp

primary

#2A9BB2

secondary

#C78071

accent

#5E43E5

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #2A9BB2

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

Preview Lab → · Contrast checker → · Palette generator →