#3D81D7#3D81D7

#3D81D7 is a mid, vivid cyan. Relative luminance 0.216; OKLCH L 60.2% C 0.148 H 255.6°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#3D81D7
RGB	rgb(61, 129, 215)
HSL	hsl(214, 66%, 54%)
HSV	hsv(214, 72%, 84%)
CMYK	cmyk(71.6%, 40%, 0%, 15.7%)
CIE-LAB	lab(53.60, 7.18, -50.36)
CIE-LCH	lch(53.60, 50.87, 278.11°)
OKLab	oklab(60.17% -0.0368 -0.1437)
OKLCH	oklch(60.17% 0.148 255.6)
XYZ	xyz(22.0360, 21.5965, 67.2840)
Luminance	0.2160 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D81D7 #D7933D

analogous

#3DCED7 #3D81D7 #463DD7

triadic

#3D81D7 #D73D81 #81D73D

tetradic

#3D81D7 #D73DCE #D7933D #3DD746

square

#3D81D7 #D73DCE #D7933D #3DD746

split-complementary

#3D81D7 #D7463D #CED73D

monochromatic

#1A477F #2563B2 #3D81D7 #70A2E1 #A2C3EC

Accessibility & contrast

On white

3.95

#3D81D7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#3D81D7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D81D7

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D81D7	#FFFFFF	#000000	##000000
##3D81D7	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5988DA

Deuteranopia (green-blind)

#407AD5

Tritanopia (blue-blind)

#0095A1

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3d81d7;
/* rgb */ color: rgb(61, 129, 215);
/* oklch */ color: oklch(60.2% 0.148 255.6);

Tailwind

colors: {
  custom: {
    50: '#85a5e4',
    500: '#3d81d7',
    950: '#000000',
  },
}

SCSS

$custom: #3d81d7;
$custom-light: #85a5e4;
$custom-dark: #000000;

JSON

{
  "hex": "#3d81d7",
  "rgb": {
    "r": 61,
    "g": 129,
    "b": 215
  },
  "hsl": {
    "h": 213.506,
    "s": 65.812,
    "l": 54.118
  },
  "oklch": {
    "l": 0.60167,
    "c": 0.14834,
    "h": 255.6
  },
  "luminance": 0.21599
}

Semantic roles & 50–950 ramp

primary

#3D81D7

secondary

#D9BC97

accent

#9E3FE9

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C0F15

muted

#7D7F84

Preview Lab

Preview with #3D81D7

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

Preview Lab → · Contrast checker → · Palette generator →