#3B83DD#3B83DD

#3B83DD is a mid, vivid cyan. Relative luminance 0.224; OKLCH L 60.9% C 0.155 H 255.5°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#3B83DD
RGB	rgb(59, 131, 221)
HSL	hsl(213, 70%, 55%)
HSV	hsv(213, 73%, 87%)
CMYK	cmyk(73.3%, 40.7%, 0%, 13.3%)
CIE-LAB	lab(54.43, 7.86, -52.41)
CIE-LCH	lch(54.43, 53.00, 278.52°)
OKLab	oklab(60.9% -0.0386 -0.1497)
OKLCH	oklch(60.9% 0.155 255.5)
XYZ	xyz(22.9663, 22.3803, 71.5020)
Luminance	0.2238 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B83DD #DD953B

analogous

#3BD4DD #3B83DD #443BDD

triadic

#3B83DD #DD3B83 #83DD3B

tetradic

#3B83DD #DD3BD4 #DD953B #3BDD44

square

#3B83DD #DD3BD4 #DD953B #3BDD44

split-complementary

#3B83DD #DD443B #D4DD3B

monochromatic

#174986 #2065BA #3B83DD #6FA4E6 #A3C5EF

Accessibility & contrast

On white

3.83

#3B83DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#3B83DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B83DD

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B83DD	#FFFFFF	#000000	##000000
##3B83DD	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#588AE1

Deuteranopia (green-blind)

#3D7BDB

Tritanopia (blue-blind)

#0098A5

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3b83dd;
/* rgb */ color: rgb(59, 131, 221);
/* oklch */ color: oklch(60.9% 0.155 255.5);

Tailwind

colors: {
  custom: {
    50: '#85a6e8',
    500: '#3b83dd',
    950: '#000000',
  },
}

SCSS

$custom: #3b83dd;
$custom-light: #85a6e8;
$custom-dark: #000000;

JSON

{
  "hex": "#3b83dd",
  "rgb": {
    "r": 59,
    "g": 131,
    "b": 221
  },
  "hsl": {
    "h": 213.333,
    "s": 70.435,
    "l": 54.902
  },
  "oklch": {
    "l": 0.60903,
    "c": 0.15462,
    "h": 255.5
  },
  "luminance": 0.22383
}

Semantic roles & 50–950 ramp

primary

#3B83DD

secondary

#DCBE98

accent

#9E3BED

background

#F8FAFE

surface

#F0F4FD

border

#CBCED5

text

#0D0F16

muted

#7D7F84

Preview Lab

Preview with #3B83DD

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

Preview Lab → · Contrast checker → · Palette generator →