#2D81CF#2D81CF

#2D81CF is a mid, vivid cyan. Relative luminance 0.208; OKLCH L 59.2% C 0.143 H 250.4°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#2D81CF
RGB	rgb(45, 129, 207)
HSL	hsl(209, 64%, 49%)
HSV	hsv(209, 78%, 81%)
CMYK	cmyk(78.3%, 37.7%, 0%, 18.8%)
CIE-LAB	lab(52.69, 2.27, -47.31)
CIE-LCH	lch(52.69, 47.37, 272.75°)
OKLab	oklab(59.18% -0.0481 -0.1349)
OKLCH	oklch(59.18% 0.143 250.4)
XYZ	xyz(20.1907, 20.7610, 61.9625)
Luminance	0.2076 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D81CF #CF7B2D

analogous

#2DCFCC #2D81CF #2D30CF

triadic

#2D81CF #CF2D81 #81CF2D

tetradic

#2D81CF #CC2DCF #CF7B2D #30CF2D

square

#2D81CF #CC2DCF #CF7B2D #30CF2D

split-complementary

#2D81CF #CF2D30 #CFCC2D

monochromatic

#17426A #22629D #2D81CF #5D9FDC #90BDE7

Accessibility & contrast

On white

4.08

#2D81CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#2D81CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2D81CF

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D81CF	#FFFFFF	#000000	##000000
##2D81CF	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C86D2

Deuteranopia (green-blind)

#4377CD

Tritanopia (blue-blind)

#00949E

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #2d81cf;
/* rgb */ color: rgb(45, 129, 207);
/* oklch */ color: oklch(59.2% 0.143 250.4);

Tailwind

colors: {
  custom: {
    50: '#7ea5de',
    500: '#2d81cf',
    950: '#000000',
  },
}

SCSS

$custom: #2d81cf;
$custom-light: #7ea5de;
$custom-dark: #000000;

JSON

{
  "hex": "#2d81cf",
  "rgb": {
    "r": 45,
    "g": 129,
    "b": 207
  },
  "hsl": {
    "h": 208.889,
    "s": 64.286,
    "l": 49.412
  },
  "oklch": {
    "l": 0.59181,
    "c": 0.14327,
    "h": 250.4
  },
  "luminance": 0.20763
}

Semantic roles & 50–950 ramp

primary

#2D81CF

secondary

#D1AB87

accent

#9141E7

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0B0F15

muted

#7C7F83

Preview Lab

Preview with #2D81CF

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

Preview Lab → · Contrast checker → · Palette generator →