#2A8BB0#2A8BB0

#2A8BB0 is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 59.8% C 0.103 H 228.3°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#2A8BB0
RGB	rgb(42, 139, 176)
HSL	hsl(197, 61%, 43%)
HSV	hsv(197, 76%, 69%)
CMYK	cmyk(76.1%, 21%, 0%, 31%)
CIE-LAB	lab(54.12, -15.01, -27.39)
CIE-LCH	lch(54.12, 31.23, 241.28°)
OKLab	oklab(59.81% -0.0686 -0.0769)
OKLCH	oklch(59.81% 0.103 228.3)
XYZ	xyz(18.0207, 22.0899, 44.3799)
Luminance	0.2209 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A8BB0 #B04F2A

analogous

#2AB092 #2A8BB0 #2A48B0

triadic

#2A8BB0 #B02A8B #8BB02A

tetradic

#2A8BB0 #922AB0 #B04F2A #48B02A

square

#2A8BB0 #922AB0 #B04F2A #48B02A

split-complementary

#2A8BB0 #B02A48 #B0922A

monochromatic

#123D4D #1E647F #2A8BB0 #45ABD3 #76C2DE

Accessibility & contrast

On white

3.88

#2A8BB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#2A8BB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A8BB0

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A8BB0	#FFFFFF	#000000	##000000
##2A8BB0	1.00	3.88	5.42	5.42
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7889B2

Deuteranopia (green-blind)

#667CB0

Tritanopia (blue-blind)

#009597

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #2a8bb0;
/* rgb */ color: rgb(42, 139, 176);
/* oklch */ color: oklch(59.8% 0.103 228.3);

Tailwind

colors: {
  custom: {
    50: '#78adc7',
    500: '#2a8bb0',
    950: '#000000',
  },
}

SCSS

$custom: #2a8bb0;
$custom-light: #78adc7;
$custom-dark: #000000;

JSON

{
  "hex": "#2a8bb0",
  "rgb": {
    "r": 42,
    "g": 139,
    "b": 176
  },
  "hsl": {
    "h": 196.567,
    "s": 61.468,
    "l": 42.745
  },
  "oklch": {
    "l": 0.59812,
    "c": 0.10303,
    "h": 228.3
  },
  "luminance": 0.22092
}

Semantic roles & 50–950 ramp

primary

#2A8BB0

secondary

#C68870

accent

#7043E5

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2A8BB0

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

Preview Lab → · Contrast checker → · Palette generator →