#2A8CB3#2A8CB3

#2A8CB3 is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.2% C 0.105 H 229.4°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#2A8CB3
RGB	rgb(42, 140, 179)
HSL	hsl(197, 62%, 43%)
HSV	hsv(197, 77%, 70%)
CMYK	cmyk(76.5%, 21.8%, 0%, 29.8%)
CIE-LAB	lab(54.55, -14.52, -28.43)
CIE-LCH	lch(54.55, 31.93, 242.94°)
OKLab	oklab(60.2% -0.0684 -0.0799)
OKLCH	oklch(60.2% 0.105 229.4)
XYZ	xyz(18.4663, 22.5009, 46.0089)
Luminance	0.2250 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A8CB3 #B3512A

analogous

#2AB395 #2A8CB3 #2A48B3

triadic

#2A8CB3 #B32A8C #8CB32A

tetradic

#2A8CB3 #952AB3 #B3512A #48B32A

square

#2A8CB3 #952AB3 #B3512A #48B32A

split-complementary

#2A8CB3 #B32A48 #B3952A

monochromatic

#133E50 #1E6581 #2A8CB3 #46ACD4 #78C2DF

Accessibility & contrast

On white

3.82

#2A8CB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#2A8CB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A8CB3

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A8CB3	#FFFFFF	#000000	##000000
##2A8CB3	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788AB5

Deuteranopia (green-blind)

#657DB2

Tritanopia (blue-blind)

#009799

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #2a8cb3;
/* rgb */ color: rgb(42, 140, 179);
/* oklch */ color: oklch(60.2% 0.105 229.4);

Tailwind

colors: {
  custom: {
    50: '#78adca',
    500: '#2a8cb3',
    950: '#000000',
  },
}

SCSS

$custom: #2a8cb3;
$custom-light: #78adca;
$custom-dark: #000000;

JSON

{
  "hex": "#2a8cb3",
  "rgb": {
    "r": 42,
    "g": 140,
    "b": 179
  },
  "hsl": {
    "h": 197.08,
    "s": 61.991,
    "l": 43.333
  },
  "oklch": {
    "l": 0.60199,
    "c": 0.10521,
    "h": 229.4
  },
  "luminance": 0.22503
}

Semantic roles & 50–950 ramp

primary

#2A8CB3

secondary

#C78A72

accent

#7143E5

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2A8CB3

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

Preview Lab → · Contrast checker → · Palette generator →