#2A8BB1#2A8BB1

#2A8BB1 is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 59.9% C 0.104 H 229.0°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#2A8BB1
RGB	rgb(42, 139, 177)
HSL	hsl(197, 62%, 43%)
HSV	hsv(197, 76%, 69%)
CMYK	cmyk(76.3%, 21.5%, 0%, 30.6%)
CIE-LAB	lab(54.16, -14.66, -27.90)
CIE-LCH	lch(54.16, 31.51, 242.27°)
OKLab	oklab(59.86% -0.0682 -0.0784)
OKLCH	oklch(59.86% 0.104 229)
XYZ	xyz(18.1200, 22.1296, 44.9029)
Luminance	0.2213 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A8BB1 #B1502A

analogous

#2AB193 #2A8BB1 #2A47B1

triadic

#2A8BB1 #B12A8B #8BB12A

tetradic

#2A8BB1 #932AB1 #B1502A #47B12A

square

#2A8BB1 #932AB1 #B1502A #47B12A

split-complementary

#2A8BB1 #B12A47 #B1932A

monochromatic

#133D4E #1E6480 #2A8BB1 #45ABD3 #77C1DF

Accessibility & contrast

On white

3.87

#2A8BB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#2A8BB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A8BB1

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A8BB1	#FFFFFF	#000000	##000000
##2A8BB1	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7789B3

Deuteranopia (green-blind)

#657CB0

Tritanopia (blue-blind)

#009698

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #2a8bb1;
/* rgb */ color: rgb(42, 139, 177);
/* oklch */ color: oklch(59.9% 0.104 229.0);

Tailwind

colors: {
  custom: {
    50: '#78adc8',
    500: '#2a8bb1',
    950: '#000000',
  },
}

SCSS

$custom: #2a8bb1;
$custom-light: #78adc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a8bb1",
  "rgb": {
    "r": 42,
    "g": 139,
    "b": 177
  },
  "hsl": {
    "h": 196.889,
    "s": 61.644,
    "l": 42.941
  },
  "oklch": {
    "l": 0.59859,
    "c": 0.10388,
    "h": 229
  },
  "luminance": 0.22132
}

Semantic roles & 50–950 ramp

primary

#2A8BB1

secondary

#C68970

accent

#7143E5

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2A8BB1

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

Preview Lab → · Contrast checker → · Palette generator →