#3D81E0#3D81E0

#3D81E0 is a mid, vivid cyan. Relative luminance 0.221; OKLCH L 60.7% C 0.160 H 257.4°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#3D81E0
RGB	rgb(61, 129, 224)
HSL	hsl(215, 72%, 56%)
HSV	hsv(215, 73%, 88%)
CMYK	cmyk(72.8%, 42.4%, 0%, 12.2%)
CIE-LAB	lab(54.10, 10.42, -54.61)
CIE-LCH	lch(54.10, 55.60, 280.80°)
OKLab	oklab(60.72% -0.0349 -0.1562)
OKLCH	oklch(60.72% 0.16 257.4)
XYZ	xyz(23.2244, 22.0719, 73.5429)
Luminance	0.2207 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D81E0 #E09C3D

analogous

#3DD3E0 #3D81E0 #4A3DE0

triadic

#3D81E0 #E03D81 #81E03D

tetradic

#3D81E0 #E03DD3 #E09C3D #3DE04A

square

#3D81E0 #E03DD3 #E09C3D #3DE04A

split-complementary

#3D81E0 #E04A3D #D3E03D

monochromatic

#16488C #1F62C1 #3D81E0 #72A3E8 #A7C6F1

Accessibility & contrast

On white

3.88

#3D81E0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#3D81E0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D81E0

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D81E0	#FFFFFF	#000000	##000000
##3D81E0	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5389E4

Deuteranopia (green-blind)

#357ADE

Tritanopia (blue-blind)

#0097A5

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3d81e0;
/* rgb */ color: rgb(61, 129, 224);
/* oklch */ color: oklch(60.7% 0.160 257.4);

Tailwind

colors: {
  custom: {
    50: '#87a5ea',
    500: '#3d81e0',
    950: '#000000',
  },
}

SCSS

$custom: #3d81e0;
$custom-light: #87a5ea;
$custom-dark: #000000;

JSON

{
  "hex": "#3d81e0",
  "rgb": {
    "r": 61,
    "g": 129,
    "b": 224
  },
  "hsl": {
    "h": 214.969,
    "s": 72.444,
    "l": 55.882
  },
  "oklch": {
    "l": 0.60724,
    "c": 0.16005,
    "h": 257.4
  },
  "luminance": 0.22074
}

Semantic roles & 50–950 ramp

primary

#3D81E0

secondary

#DEC29B

accent

#A339EF

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #3D81E0

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

Preview Lab → · Contrast checker → · Palette generator →