#2A8AB1#2A8AB1

#2A8AB1 is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.6% C 0.104 H 229.9°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#2A8AB1
RGB	rgb(42, 138, 177)
HSL	hsl(197, 62%, 43%)
HSV	hsv(197, 76%, 69%)
CMYK	cmyk(76.3%, 22%, 0%, 30.6%)
CIE-LAB	lab(53.86, -14.11, -28.37)
CIE-LCH	lch(53.86, 31.68, 243.56°)
OKLab	oklab(59.61% -0.0672 -0.0797)
OKLCH	oklch(59.61% 0.104 229.9)
XYZ	xyz(17.9759, 21.8414, 44.8549)
Luminance	0.2184 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A8AB1 #B1512A

analogous

#2AB194 #2A8AB1 #2A47B1

triadic

#2A8AB1 #B12A8A #8AB12A

tetradic

#2A8AB1 #942AB1 #B1512A #47B12A

square

#2A8AB1 #942AB1 #B1512A #47B12A

split-complementary

#2A8AB1 #B12A47 #B1942A

monochromatic

#133D4E #1E6380 #2A8AB1 #45AAD3 #77C1DF

Accessibility & contrast

On white

3.91

#2A8AB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#2A8AB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A8AB1

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A8AB1	#FFFFFF	#000000	##000000
##2A8AB1	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7688B3

Deuteranopia (green-blind)

#647BB0

Tritanopia (blue-blind)

#009597

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #2a8ab1;
/* rgb */ color: rgb(42, 138, 177);
/* oklch */ color: oklch(59.6% 0.104 229.9);

Tailwind

colors: {
  custom: {
    50: '#78acc8',
    500: '#2a8ab1',
    950: '#000000',
  },
}

SCSS

$custom: #2a8ab1;
$custom-light: #78acc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a8ab1",
  "rgb": {
    "r": 42,
    "g": 138,
    "b": 177
  },
  "hsl": {
    "h": 197.333,
    "s": 61.644,
    "l": 42.941
  },
  "oklch": {
    "l": 0.59615,
    "c": 0.10429,
    "h": 229.9
  },
  "luminance": 0.21844
}

Semantic roles & 50–950 ramp

primary

#2A8AB1

secondary

#C68970

accent

#7243E5

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2A8AB1

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

Preview Lab → · Contrast checker → · Palette generator →