#2A81B1#2A81B1

#2A81B1 is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.4% C 0.109 H 237.6°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#2A81B1
RGB	rgb(42, 129, 177)
HSL	hsl(201, 62%, 43%)
HSV	hsv(201, 76%, 69%)
CMYK	cmyk(76.3%, 27.1%, 0%, 30.6%)
CIE-LAB	lab(51.11, -9.02, -32.65)
CIE-LCH	lch(51.11, 33.87, 254.56°)
OKLab	oklab(57.43% -0.0584 -0.0922)
OKLCH	oklch(57.43% 0.109 237.6)
XYZ	xyz(16.7378, 19.3651, 44.4421)
Luminance	0.1937 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A81B1 #B15A2A

analogous

#2AB19D #2A81B1 #2A3EB1

triadic

#2A81B1 #B12A81 #81B12A

tetradic

#2A81B1 #9D2AB1 #B15A2A #3EB12A

square

#2A81B1 #9D2AB1 #B15A2A #3EB12A

split-complementary

#2A81B1 #B12A3E #B19D2A

monochromatic

#13394E #1E5D80 #2A81B1 #45A1D3 #77BADF

Accessibility & contrast

On white

4.31

#2A81B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#2A81B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A81B1

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A81B1	#FFFFFF	#000000	##000000
##2A81B1	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A81B3

Deuteranopia (green-blind)

#5874B0

Tritanopia (blue-blind)

#008D92

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #2a81b1;
/* rgb */ color: rgb(42, 129, 177);
/* oklch */ color: oklch(57.4% 0.109 237.6);

Tailwind

colors: {
  custom: {
    50: '#77a5c8',
    500: '#2a81b1',
    950: '#000000',
  },
}

SCSS

$custom: #2a81b1;
$custom-light: #77a5c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a81b1",
  "rgb": {
    "r": 42,
    "g": 129,
    "b": 177
  },
  "hsl": {
    "h": 201.333,
    "s": 61.644,
    "l": 42.941
  },
  "oklch": {
    "l": 0.57426,
    "c": 0.10913,
    "h": 237.6
  },
  "luminance": 0.19367
}

Semantic roles & 50–950 ramp

primary

#2A81B1

secondary

#C68F70

accent

#7D43E5

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #2A81B1

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

Preview Lab → · Contrast checker → · Palette generator →