#2A8AB3#2A8AB3

#2A8AB3 is a mid, moderate cyan. Relative luminance 0.219; OKLCH L 59.7% C 0.106 H 231.2°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#2A8AB3
RGB	rgb(42, 138, 179)
HSL	hsl(198, 62%, 43%)
HSV	hsv(198, 77%, 70%)
CMYK	cmyk(76.5%, 22.9%, 0%, 29.8%)
CIE-LAB	lab(53.94, -13.41, -29.38)
CIE-LCH	lch(53.94, 32.30, 245.46°)
OKLab	oklab(59.71% -0.0665 -0.0827)
OKLCH	oklch(59.71% 0.106 231.2)
XYZ	xyz(18.1767, 21.9217, 45.9124)
Luminance	0.2192 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A8AB3 #B3532A

analogous

#2AB397 #2A8AB3 #2A45B3

triadic

#2A8AB3 #B32A8A #8AB32A

tetradic

#2A8AB3 #972AB3 #B3532A #45B32A

square

#2A8AB3 #972AB3 #B3532A #45B32A

split-complementary

#2A8AB3 #B32A45 #B3972A

monochromatic

#133E50 #1E6481 #2A8AB3 #46A9D4 #78C0DF

Accessibility & contrast

On white

3.90

#2A8AB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#2A8AB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A8AB3

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A8AB3	#FFFFFF	#000000	##000000
##2A8AB3	1.00	3.90	5.38	5.38
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7588B5

Deuteranopia (green-blind)

#637BB2

Tritanopia (blue-blind)

#009598

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #2a8ab3;
/* rgb */ color: rgb(42, 138, 179);
/* oklch */ color: oklch(59.7% 0.106 231.2);

Tailwind

colors: {
  custom: {
    50: '#78acca',
    500: '#2a8ab3',
    950: '#000000',
  },
}

SCSS

$custom: #2a8ab3;
$custom-light: #78acca;
$custom-dark: #000000;

JSON

{
  "hex": "#2a8ab3",
  "rgb": {
    "r": 42,
    "g": 138,
    "b": 179
  },
  "hsl": {
    "h": 197.956,
    "s": 61.991,
    "l": 43.333
  },
  "oklch": {
    "l": 0.59711,
    "c": 0.10608,
    "h": 231.2
  },
  "luminance": 0.21924
}

Semantic roles & 50–950 ramp

primary

#2A8AB3

secondary

#C78B72

accent

#7343E5

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2A8AB3

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

Preview Lab → · Contrast checker → · Palette generator →