#3B84CB#3B84CB

#3B84CB is a mid, vivid cyan. Relative luminance 0.217; OKLCH L 60.1% C 0.131 H 250.4°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#3B84CB
RGB	rgb(59, 132, 203)
HSL	hsl(210, 58%, 51%)
HSV	hsv(210, 71%, 80%)
CMYK	cmyk(70.9%, 35%, 0%, 20.4%)
CIE-LAB	lab(53.75, 0.80, -43.33)
CIE-LCH	lch(53.75, 43.34, 271.06°)
OKLab	oklab(60.06% -0.0439 -0.1231)
OKLCH	oklch(60.06% 0.131 250.4)
XYZ	xyz(20.8304, 21.7419, 59.5871)
Luminance	0.2174 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B84CB #CB823B

analogous

#3BCBCA #3B84CB #3B3CCB

triadic

#3B84CB #CB3B84 #84CB3B

tetradic

#3B84CB #CA3BCB #CB823B #3CCB3B

square

#3B84CB #CA3BCB #CB823B #3CCB3B

split-complementary

#3B84CB #CB3B3C #CBCA3B

monochromatic

#1D466E #2A659F #3B84CB #6BA2D8 #9CC1E5

Accessibility & contrast

On white

3.93

#3B84CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#3B84CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B84CB

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B84CB	#FFFFFF	#000000	##000000
##3B84CB	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6488CE

Deuteranopia (green-blind)

#4F7ACA

Tritanopia (blue-blind)

#00959E

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3b84cb;
/* rgb */ color: rgb(59, 132, 203);
/* oklch */ color: oklch(60.1% 0.131 250.4);

Tailwind

colors: {
  custom: {
    50: '#82a7db',
    500: '#3b84cb',
    950: '#000000',
  },
}

SCSS

$custom: #3b84cb;
$custom-light: #82a7db;
$custom-dark: #000000;

JSON

{
  "hex": "#3b84cb",
  "rgb": {
    "r": 59,
    "g": 132,
    "b": 203
  },
  "hsl": {
    "h": 209.583,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.60062,
    "c": 0.13067,
    "h": 250.4
  },
  "luminance": 0.21744
}

Semantic roles & 50–950 ramp

primary

#3B84CB

secondary

#D1B091

accent

#9347E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3B84CB

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

Preview Lab → · Contrast checker → · Palette generator →