#2A8DB3#2A8DB3

#2A8DB3 is a mid, moderate cyan. Relative luminance 0.228; OKLCH L 60.4% C 0.105 H 228.5°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#2A8DB3
RGB	rgb(42, 141, 179)
HSL	hsl(197, 62%, 43%)
HSV	hsv(197, 77%, 70%)
CMYK	cmyk(76.5%, 21.2%, 0%, 29.8%)
CIE-LAB	lab(54.86, -15.08, -27.96)
CIE-LCH	lch(54.86, 31.77, 241.67°)
OKLab	oklab(60.44% -0.0694 -0.0785)
OKLCH	oklch(60.44% 0.105 228.5)
XYZ	xyz(18.6131, 22.7944, 46.0579)
Luminance	0.2280 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A8DB3 #B3502A

analogous

#2AB394 #2A8DB3 #2A49B3

triadic

#2A8DB3 #B32A8D #8DB32A

tetradic

#2A8DB3 #942AB3 #B3502A #49B32A

square

#2A8DB3 #942AB3 #B3502A #49B32A

split-complementary

#2A8DB3 #B32A49 #B3942A

monochromatic

#133F50 #1E6681 #2A8DB3 #46ADD4 #78C3DF

Accessibility & contrast

On white

3.78

#2A8DB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#2A8DB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A8DB3

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A8DB3	#FFFFFF	#000000	##000000
##2A8DB3	1.00	3.78	5.56	5.56
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798BB5

Deuteranopia (green-blind)

#677EB2

Tritanopia (blue-blind)

#00989A

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #2a8db3;
/* rgb */ color: rgb(42, 141, 179);
/* oklch */ color: oklch(60.4% 0.105 228.5);

Tailwind

colors: {
  custom: {
    50: '#78aeca',
    500: '#2a8db3',
    950: '#000000',
  },
}

SCSS

$custom: #2a8db3;
$custom-light: #78aeca;
$custom-dark: #000000;

JSON

{
  "hex": "#2a8db3",
  "rgb": {
    "r": 42,
    "g": 141,
    "b": 179
  },
  "hsl": {
    "h": 196.642,
    "s": 61.991,
    "l": 43.333
  },
  "oklch": {
    "l": 0.60443,
    "c": 0.10482,
    "h": 228.5
  },
  "luminance": 0.22797
}

Semantic roles & 50–950 ramp

primary

#2A8DB3

secondary

#C78972

accent

#7043E5

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2A8DB3

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

Preview Lab → · Contrast checker → · Palette generator →