#2D81C9#2D81C9

#2D81C9 is a mid, vivid cyan. Relative luminance 0.205; OKLCH L 58.8% C 0.136 H 248.6°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#2D81C9
RGB	rgb(45, 129, 201)
HSL	hsl(208, 63%, 48%)
HSV	hsv(208, 78%, 79%)
CMYK	cmyk(77.6%, 35.8%, 0%, 21.2%)
CIE-LAB	lab(52.37, 0.06, -44.41)
CIE-LCH	lch(52.37, 44.41, 270.08°)
OKLab	oklab(58.83% -0.0497 -0.1264)
OKLCH	oklch(58.83% 0.136 248.6)
XYZ	xyz(19.4710, 20.4731, 58.1725)
Luminance	0.2047 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D81C9 #C9752D

analogous

#2DC9C3 #2D81C9 #2D33C9

triadic

#2D81C9 #C92D81 #81C92D

tetradic

#2D81C9 #C32DC9 #C9752D #33C92D

square

#2D81C9 #C32DC9 #C9752D #33C92D

split-complementary

#2D81C9 #C92D33 #C9C32D

monochromatic

#174165 #226197 #2D81C9 #599FDA #8BBCE5

Accessibility & contrast

On white

4.12

#2D81C9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#2D81C9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2D81C9

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D81C9	#FFFFFF	#000000	##000000
##2D81C9	1.00	4.12	5.09	5.09
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F85CC

Deuteranopia (green-blind)

#4876C8

Tritanopia (blue-blind)

#00929B

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #2d81c9;
/* rgb */ color: rgb(45, 129, 201);
/* oklch */ color: oklch(58.8% 0.136 248.6);

Tailwind

colors: {
  custom: {
    50: '#7da5da',
    500: '#2d81c9',
    950: '#000000',
  },
}

SCSS

$custom: #2d81c9;
$custom-light: #7da5da;
$custom-dark: #000000;

JSON

{
  "hex": "#2d81c9",
  "rgb": {
    "r": 45,
    "g": 129,
    "b": 201
  },
  "hsl": {
    "h": 207.692,
    "s": 63.415,
    "l": 48.235
  },
  "oklch": {
    "l": 0.58827,
    "c": 0.13585,
    "h": 248.6
  },
  "luminance": 0.20475
}

Semantic roles & 50–950 ramp

primary

#2D81C9

secondary

#CFA683

accent

#8E41E6

background

#F8FAFD

surface

#EFF4FA

border

#CACED3

text

#0B0F15

muted

#7C7F83

Preview Lab

Preview with #2D81C9

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

Preview Lab → · Contrast checker → · Palette generator →