#3B84DD#3B84DD

#3B84DD is a mid, vivid cyan. Relative luminance 0.227; OKLCH L 61.1% C 0.154 H 255.1°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#3B84DD
RGB	rgb(59, 132, 221)
HSL	hsl(213, 70%, 55%)
HSV	hsv(213, 73%, 87%)
CMYK	cmyk(73.3%, 40.3%, 0%, 13.3%)
CIE-LAB	lab(54.71, 7.25, -51.96)
CIE-LCH	lch(54.71, 52.47, 277.94°)
OKLab	oklab(61.12% -0.0395 -0.1484)
OKLCH	oklch(61.12% 0.154 255.1)
XYZ	xyz(23.1012, 22.6502, 71.5470)
Luminance	0.2265 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B84DD #DD943B

analogous

#3BD5DD #3B84DD #433BDD

triadic

#3B84DD #DD3B84 #84DD3B

tetradic

#3B84DD #DD3BD5 #DD943B #3BDD43

square

#3B84DD #DD3BD5 #DD943B #3BDD43

split-complementary

#3B84DD #DD433B #D5DD3B

monochromatic

#174986 #2066BA #3B84DD #6FA5E6 #A3C5EF

Accessibility & contrast

On white

3.80

#3B84DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#3B84DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B84DD

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B84DD	#FFFFFF	#000000	##000000
##3B84DD	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A8BE1

Deuteranopia (green-blind)

#3F7CDB

Tritanopia (blue-blind)

#0099A6

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3b84dd;
/* rgb */ color: rgb(59, 132, 221);
/* oklch */ color: oklch(61.1% 0.154 255.1);

Tailwind

colors: {
  custom: {
    50: '#85a7e8',
    500: '#3b84dd',
    950: '#000000',
  },
}

SCSS

$custom: #3b84dd;
$custom-light: #85a7e8;
$custom-dark: #000000;

JSON

{
  "hex": "#3b84dd",
  "rgb": {
    "r": 59,
    "g": 132,
    "b": 221
  },
  "hsl": {
    "h": 212.963,
    "s": 70.435,
    "l": 54.902
  },
  "oklch": {
    "l": 0.61123,
    "c": 0.15355,
    "h": 255.1
  },
  "luminance": 0.22653
}

Semantic roles & 50–950 ramp

primary

#3B84DD

secondary

#DCBD98

accent

#9D3BED

background

#F8FAFE

surface

#F0F4FD

border

#CBCED5

text

#0D0F16

muted

#7D7F84

Preview Lab

Preview with #3B84DD

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

Preview Lab → · Contrast checker → · Palette generator →