#3D81D2#3D81D2

#3D81D2 is a mid, vivid cyan. Relative luminance 0.213; OKLCH L 59.9% C 0.142 H 254.5°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#3D81D2
RGB	rgb(61, 129, 210)
HSL	hsl(213, 62%, 53%)
HSV	hsv(213, 71%, 82%)
CMYK	cmyk(71%, 38.6%, 0%, 17.6%)
CIE-LAB	lab(53.32, 5.39, -47.97)
CIE-LCH	lch(53.32, 48.27, 276.41°)
OKLab	oklab(59.87% -0.038 -0.1367)
OKLCH	oklch(59.87% 0.142 254.5)
XYZ	xyz(21.4033, 21.3434, 63.9520)
Luminance	0.2135 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D81D2 #D28E3D

analogous

#3DCCD2 #3D81D2 #433DD2

triadic

#3D81D2 #D23D81 #81D23D

tetradic

#3D81D2 #D23DCC #D28E3D #3DD243

square

#3D81D2 #D23DCC #D28E3D #3DD243

split-complementary

#3D81D2 #D2433D #CCD23D

monochromatic

#1C4679 #2863AA #3D81D2 #6FA1DE #A0C2E9

Accessibility & contrast

On white

3.99

#3D81D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#3D81D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D81D2

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D81D2	#FFFFFF	#000000	##000000
##3D81D2	1.00	3.99	5.27	5.27
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C87D5

Deuteranopia (green-blind)

#4579D0

Tritanopia (blue-blind)

#00949F

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3d81d2;
/* rgb */ color: rgb(61, 129, 210);
/* oklch */ color: oklch(59.9% 0.142 254.5);

Tailwind

colors: {
  custom: {
    50: '#84a5e0',
    500: '#3d81d2',
    950: '#000000',
  },
}

SCSS

$custom: #3d81d2;
$custom-light: #84a5e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d81d2",
  "rgb": {
    "r": 61,
    "g": 129,
    "b": 210
  },
  "hsl": {
    "h": 212.617,
    "s": 62.343,
    "l": 53.137
  },
  "oklch": {
    "l": 0.59865,
    "c": 0.14186,
    "h": 254.5
  },
  "luminance": 0.21346
}

Semantic roles & 50–950 ramp

primary

#3D81D2

secondary

#D6B895

accent

#9B42E5

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3D81D2

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

Preview Lab → · Contrast checker → · Palette generator →