#3F85DB#3F85DB

#3F85DB is a mid, vivid cyan. Relative luminance 0.229; OKLCH L 61.4% C 0.149 H 255.1°. Best body text is #000000 at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#3F85DB
RGB	rgb(63, 133, 219)
HSL	hsl(213, 68%, 55%)
HSV	hsv(213, 71%, 86%)
CMYK	cmyk(71.2%, 39.3%, 0%, 14.1%)
CIE-LAB	lab(55.01, 6.47, -50.35)
CIE-LCH	lch(55.01, 50.76, 277.32°)
OKLab	oklab(61.36% -0.0382 -0.1436)
OKLCH	oklch(61.36% 0.149 255.1)
XYZ	xyz(23.2189, 22.9438, 70.2090)
Luminance	0.2295 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F85DB #DB953F

analogous

#3FD3DB #3F85DB #473FDB

triadic

#3F85DB #DB3F85 #85DB3F

tetradic

#3F85DB #DB3FD3 #DB953F #3FDB47

square

#3F85DB #DB3FD3 #DB953F #3FDB47

split-complementary

#3F85DB #DB473F #D3DB3F

monochromatic

#194A86 #2367BA #3F85DB #73A6E5 #A6C6EE

Accessibility & contrast

On white

3.76

#3F85DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.59

#3F85DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F85DB

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F85DB	#FFFFFF	#000000	##000000
##3F85DB	1.00	3.76	5.59	5.59
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.59	21.00	1.00	1.00
##000000	5.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D8CDE

Deuteranopia (green-blind)

#447DD9

Tritanopia (blue-blind)

#0099A5

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #3f85db;
/* rgb */ color: rgb(63, 133, 219);
/* oklch */ color: oklch(61.4% 0.149 255.1);

Tailwind

colors: {
  custom: {
    50: '#86a8e6',
    500: '#3f85db',
    950: '#000000',
  },
}

SCSS

$custom: #3f85db;
$custom-light: #86a8e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f85db",
  "rgb": {
    "r": 63,
    "g": 133,
    "b": 219
  },
  "hsl": {
    "h": 213.077,
    "s": 68.421,
    "l": 55.294
  },
  "oklch": {
    "l": 0.61361,
    "c": 0.14859,
    "h": 255.1
  },
  "luminance": 0.22946
}

Semantic roles & 50–950 ramp

primary

#3F85DB

secondary

#DCBE9A

accent

#9D3DEB

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D0F16

muted

#7D7F84

Preview Lab

Preview with #3F85DB

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

Preview Lab → · Contrast checker → · Palette generator →