#2C81B5#2C81B5

#2C81B5 is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 57.7% C 0.113 H 240.2°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#2C81B5
RGB	rgb(44, 129, 181)
HSL	hsl(203, 61%, 44%)
HSV	hsv(203, 76%, 71%)
CMYK	cmyk(75.7%, 28.7%, 0%, 29%)
CIE-LAB	lab(51.35, -7.34, -34.58)
CIE-LCH	lch(51.35, 35.35, 258.02°)
OKLab	oklab(57.69% -0.0561 -0.0978)
OKLCH	oklch(57.69% 0.113 240.2)
XYZ	xyz(17.2262, 19.5702, 46.5766)
Luminance	0.1957 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C81B5 #B5602C

analogous

#2CB5A5 #2C81B5 #2C3CB5

triadic

#2C81B5 #B52C81 #81B52C

tetradic

#2C81B5 #A52CB5 #B5602C #3CB52C

square

#2C81B5 #A52CB5 #B5602C #3CB52C

split-complementary

#2C81B5 #B52C3C #B5A52C

monochromatic

#143B53 #205E84 #2C81B5 #4BA0D3 #7CBADF

Accessibility & contrast

On white

4.27

#2C81B5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#2C81B5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2C81B5

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C81B5	#FFFFFF	#000000	##000000
##2C81B5	1.00	4.27	4.91	4.91
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6981B7

Deuteranopia (green-blind)

#5675B4

Tritanopia (blue-blind)

#008E93

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #2c81b5;
/* rgb */ color: rgb(44, 129, 181);
/* oklch */ color: oklch(57.7% 0.113 240.2);

Tailwind

colors: {
  custom: {
    50: '#79a5cb',
    500: '#2c81b5',
    950: '#000000',
  },
}

SCSS

$custom: #2c81b5;
$custom-light: #79a5cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2c81b5",
  "rgb": {
    "r": 44,
    "g": 129,
    "b": 181
  },
  "hsl": {
    "h": 202.774,
    "s": 60.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.57689,
    "c": 0.11272,
    "h": 240.2
  },
  "luminance": 0.19572
}

Semantic roles & 50–950 ramp

primary

#2C81B5

secondary

#C89475

accent

#8144E4

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #2C81B5

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

Preview Lab → · Contrast checker → · Palette generator →