#3D81CF#3D81CF

#3D81CF is a mid, vivid cyan. Relative luminance 0.212; OKLCH L 59.7% C 0.138 H 253.7°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#3D81CF
RGB	rgb(61, 129, 207)
HSL	hsl(212, 60%, 53%)
HSV	hsv(212, 71%, 81%)
CMYK	cmyk(70.5%, 37.7%, 0%, 18.8%)
CIE-LAB	lab(53.16, 4.32, -46.53)
CIE-LCH	lch(53.16, 46.73, 275.30°)
OKLab	oklab(59.69% -0.0387 -0.1325)
OKLCH	oklch(59.69% 0.138 253.7)
XYZ	xyz(21.0330, 21.1953, 62.0020)
Luminance	0.2120 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D81CF #CF8B3D

analogous

#3DCACF #3D81CF #423DCF

triadic

#3D81CF #CF3D81 #81CF3D

tetradic

#3D81CF #CF3DCA #CF8B3D #3DCF42

square

#3D81CF #CF3DCA #CF8B3D #3DCF42

split-complementary

#3D81CF #CF423D #CACF3D

monochromatic

#1D4675 #2963A6 #3D81CF #6EA1DB #9FC1E7

Accessibility & contrast

On white

4.01

#3D81CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#3D81CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D81CF

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D81CF	#FFFFFF	#000000	##000000
##3D81CF	1.00	4.01	5.24	5.24
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D86D2

Deuteranopia (green-blind)

#4779CD

Tritanopia (blue-blind)

#00939E

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3d81cf;
/* rgb */ color: rgb(61, 129, 207);
/* oklch */ color: oklch(59.7% 0.138 253.7);

Tailwind

colors: {
  custom: {
    50: '#83a5de',
    500: '#3d81cf',
    950: '#000000',
  },
}

SCSS

$custom: #3d81cf;
$custom-light: #83a5de;
$custom-dark: #000000;

JSON

{
  "hex": "#3d81cf",
  "rgb": {
    "r": 61,
    "g": 129,
    "b": 207
  },
  "hsl": {
    "h": 212.055,
    "s": 60.331,
    "l": 52.549
  },
  "oklch": {
    "l": 0.59688,
    "c": 0.13799,
    "h": 253.7
  },
  "luminance": 0.21198
}

Semantic roles & 50–950 ramp

primary

#3D81CF

secondary

#D4B694

accent

#9944E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3D81CF

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

Preview Lab → · Contrast checker → · Palette generator →