#3D81CE#3D81CE

#3D81CE is a mid, vivid cyan. Relative luminance 0.211; OKLCH L 59.6% C 0.137 H 253.5°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#3D81CE
RGB	rgb(61, 129, 206)
HSL	hsl(212, 60%, 52%)
HSV	hsv(212, 70%, 81%)
CMYK	cmyk(70.4%, 37.4%, 0%, 19.2%)
CIE-LAB	lab(53.11, 3.96, -46.04)
CIE-LCH	lch(53.11, 46.21, 274.91°)
OKLab	oklab(59.63% -0.0389 -0.131)
OKLCH	oklch(59.63% 0.137 253.5)
XYZ	xyz(20.9112, 21.1466, 61.3602)
Luminance	0.2115 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D81CE #CE8A3D

analogous

#3DCACE #3D81CE #413DCE

triadic

#3D81CE #CE3D81 #81CE3D

tetradic

#3D81CE #CE3DCA #CE8A3D #3DCE41

square

#3D81CE #CE3DCA #CE8A3D #3DCE41

split-complementary

#3D81CE #CE413D #CACE3D

monochromatic

#1D4673 #2963A4 #3D81CE #6EA1DA #9FC0E7

Accessibility & contrast

On white

4.02

#3D81CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#3D81CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D81CE

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D81CE	#FFFFFF	#000000	##000000
##3D81CE	1.00	4.02	5.23	5.23
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E86D1

Deuteranopia (green-blind)

#4879CC

Tritanopia (blue-blind)

#00939E

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3d81ce;
/* rgb */ color: rgb(61, 129, 206);
/* oklch */ color: oklch(59.6% 0.137 253.5);

Tailwind

colors: {
  custom: {
    50: '#83a5dd',
    500: '#3d81ce',
    950: '#000000',
  },
}

SCSS

$custom: #3d81ce;
$custom-light: #83a5dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3d81ce",
  "rgb": {
    "r": 61,
    "g": 129,
    "b": 206
  },
  "hsl": {
    "h": 211.862,
    "s": 59.671,
    "l": 52.353
  },
  "oklch": {
    "l": 0.59629,
    "c": 0.13671,
    "h": 253.5
  },
  "luminance": 0.21149
}

Semantic roles & 50–950 ramp

primary

#3D81CE

secondary

#D3B594

accent

#9945E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3D81CE

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

Preview Lab → · Contrast checker → · Palette generator →