#2A8BB3#2A8BB3

#2A8BB3 is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 60.0% C 0.106 H 230.3°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#2A8BB3
RGB	rgb(42, 139, 179)
HSL	hsl(198, 62%, 43%)
HSV	hsv(198, 77%, 70%)
CMYK	cmyk(76.5%, 22.3%, 0%, 29.8%)
CIE-LAB	lab(54.25, -13.97, -28.91)
CIE-LCH	lch(54.25, 32.11, 244.21°)
OKLab	oklab(59.96% -0.0674 -0.0813)
OKLCH	oklch(59.96% 0.106 230.3)
XYZ	xyz(18.3208, 22.2100, 45.9605)
Luminance	0.2221 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A8BB3 #B3522A

analogous

#2AB396 #2A8BB3 #2A46B3

triadic

#2A8BB3 #B32A8B #8BB32A

tetradic

#2A8BB3 #962AB3 #B3522A #46B32A

square

#2A8BB3 #962AB3 #B3522A #46B32A

split-complementary

#2A8BB3 #B32A46 #B3962A

monochromatic

#133E50 #1E6581 #2A8BB3 #46AAD4 #78C1DF

Accessibility & contrast

On white

3.86

#2A8BB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#2A8BB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A8BB3

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A8BB3	#FFFFFF	#000000	##000000
##2A8BB3	1.00	3.86	5.44	5.44
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.44	21.00	1.00	1.00
##000000	5.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7789B5

Deuteranopia (green-blind)

#647CB2

Tritanopia (blue-blind)

#009698

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #2a8bb3;
/* rgb */ color: rgb(42, 139, 179);
/* oklch */ color: oklch(60.0% 0.106 230.3);

Tailwind

colors: {
  custom: {
    50: '#78acca',
    500: '#2a8bb3',
    950: '#000000',
  },
}

SCSS

$custom: #2a8bb3;
$custom-light: #78acca;
$custom-dark: #000000;

JSON

{
  "hex": "#2a8bb3",
  "rgb": {
    "r": 42,
    "g": 139,
    "b": 179
  },
  "hsl": {
    "h": 197.518,
    "s": 61.991,
    "l": 43.333
  },
  "oklch": {
    "l": 0.59955,
    "c": 0.10563,
    "h": 230.3
  },
  "luminance": 0.22212
}

Semantic roles & 50–950 ramp

primary

#2A8BB3

secondary

#C78B72

accent

#7243E5

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2A8BB3

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

Preview Lab → · Contrast checker → · Palette generator →