#3D81C8#3D81C8

#3D81C8 is a mid, vivid cyan. Relative luminance 0.209; OKLCH L 59.3% C 0.129 H 251.7°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#3D81C8
RGB	rgb(61, 129, 200)
HSL	hsl(211, 56%, 51%)
HSV	hsv(211, 70%, 78%)
CMYK	cmyk(69.5%, 35.5%, 0%, 21.6%)
CIE-LAB	lab(52.80, 1.83, -43.13)
CIE-LCH	lch(52.80, 43.17, 272.43°)
OKLab	oklab(59.28% -0.0404 -0.1225)
OKLCH	oklch(59.28% 0.129 251.7)
XYZ	xyz(20.1962, 20.8606, 57.5945)
Luminance	0.2086 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D81C8 #C8843D

analogous

#3DC7C8 #3D81C8 #3E3DC8

triadic

#3D81C8 #C83D81 #81C83D

tetradic

#3D81C8 #C83DC7 #C8843D #3DC83E

square

#3D81C8 #C83DC7 #C8843D #3DC83E

split-complementary

#3D81C8 #C83E3D #C7C83D

monochromatic

#1F446C #2C639C #3D81C8 #6DA0D6 #9CBFE3

Accessibility & contrast

On white

4.06

#3D81C8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#3D81C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D81C8

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D81C8	#FFFFFF	#000000	##000000
##3D81C8	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6185CB

Deuteranopia (green-blind)

#4D78C7

Tritanopia (blue-blind)

#00929B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3d81c8;
/* rgb */ color: rgb(61, 129, 200);
/* oklch */ color: oklch(59.3% 0.129 251.7);

Tailwind

colors: {
  custom: {
    50: '#82a5d9',
    500: '#3d81c8',
    950: '#000000',
  },
}

SCSS

$custom: #3d81c8;
$custom-light: #82a5d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3d81c8",
  "rgb": {
    "r": 61,
    "g": 129,
    "b": 200
  },
  "hsl": {
    "h": 210.647,
    "s": 55.823,
    "l": 51.176
  },
  "oklch": {
    "l": 0.59282,
    "c": 0.12903,
    "h": 251.7
  },
  "luminance": 0.20863
}

Semantic roles & 50–950 ramp

primary

#3D81C8

secondary

#CFB192

accent

#9649DF

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #3D81C8

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

Preview Lab → · Contrast checker → · Palette generator →