#2C81B8#2C81B8

#2C81B8 is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 57.8% C 0.116 H 241.6°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#2C81B8
RGB	rgb(44, 129, 184)
HSL	hsl(204, 61%, 45%)
HSV	hsv(204, 76%, 72%)
CMYK	cmyk(76.1%, 29.9%, 0%, 27.8%)
CIE-LAB	lab(51.49, -6.26, -36.08)
CIE-LCH	lch(51.49, 36.62, 260.16°)
OKLab	oklab(57.85% -0.0551 -0.1021)
OKLCH	oklch(57.85% 0.116 241.6)
XYZ	xyz(17.5373, 19.6946, 48.2153)
Luminance	0.1970 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C81B8 #B8632C

analogous

#2CB8A9 #2C81B8 #2C3BB8

triadic

#2C81B8 #B82C81 #81B82C

tetradic

#2C81B8 #A92CB8 #B8632C #3BB82C

square

#2C81B8 #A92CB8 #B8632C #3BB82C

split-complementary

#2C81B8 #B82C3B #B8A92C

monochromatic

#143C55 #205E87 #2C81B8 #4D9FD4 #7EBAE0

Accessibility & contrast

On white

4.25

#2C81B8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#2C81B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2C81B8

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C81B8	#FFFFFF	#000000	##000000
##2C81B8	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6782BA

Deuteranopia (green-blind)

#5475B7

Tritanopia (blue-blind)

#008F94

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #2c81b8;
/* rgb */ color: rgb(44, 129, 184);
/* oklch */ color: oklch(57.8% 0.116 241.6);

Tailwind

colors: {
  custom: {
    50: '#79a5cd',
    500: '#2c81b8',
    950: '#000000',
  },
}

SCSS

$custom: #2c81b8;
$custom-light: #79a5cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2c81b8",
  "rgb": {
    "r": 44,
    "g": 129,
    "b": 184
  },
  "hsl": {
    "h": 203.571,
    "s": 61.404,
    "l": 44.706
  },
  "oklch": {
    "l": 0.57849,
    "c": 0.11607,
    "h": 241.6
  },
  "luminance": 0.19697
}

Semantic roles & 50–950 ramp

primary

#2C81B8

secondary

#C99777

accent

#8343E5

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #2C81B8

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

Preview Lab → · Contrast checker → · Palette generator →