#3584BC#3584BC

#3584BC is a mid, moderate cyan. Relative luminance 0.209; OKLCH L 59.0% C 0.115 H 243.2°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#3584BC
RGB	rgb(53, 132, 188)
HSL	hsl(205, 56%, 47%)
HSV	hsv(205, 72%, 74%)
CMYK	cmyk(71.8%, 29.8%, 0%, 26.3%)
CIE-LAB	lab(52.83, -5.38, -36.26)
CIE-LCH	lch(52.83, 36.65, 261.56°)
OKLab	oklab(59.04% -0.0519 -0.1025)
OKLCH	oklch(59.04% 0.115 243.2)
XYZ	xyz(18.7931, 20.8882, 50.6086)
Luminance	0.2089 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3584BC #BC6D35

analogous

#35BCB1 #3584BC #3540BC

triadic

#3584BC #BC3584 #84BC35

tetradic

#3584BC #B135BC #BC6D35 #40BC35

square

#3584BC #B135BC #BC6D35 #40BC35

split-complementary

#3584BC #BC3540 #BCB135

monochromatic

#1A415D #28628C #3584BC #5DA1D1 #8DBDDF

Accessibility & contrast

On white

4.06

#3584BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#3584BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3584BC

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3584BC	#FFFFFF	#000000	##000000
##3584BC	1.00	4.06	5.18	5.18
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A85BE

Deuteranopia (green-blind)

#5878BB

Tritanopia (blue-blind)

#009298

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3584bc;
/* rgb */ color: rgb(53, 132, 188);
/* oklch */ color: oklch(59.0% 0.115 243.2);

Tailwind

colors: {
  custom: {
    50: '#7da7d0',
    500: '#3584bc',
    950: '#000000',
  },
}

SCSS

$custom: #3584bc;
$custom-light: #7da7d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3584bc",
  "rgb": {
    "r": 53,
    "g": 132,
    "b": 188
  },
  "hsl": {
    "h": 204.889,
    "s": 56.017,
    "l": 47.255
  },
  "oklch": {
    "l": 0.59039,
    "c": 0.1149,
    "h": 243.2
  },
  "luminance": 0.2089
}

Semantic roles & 50–950 ramp

primary

#3584BC

secondary

#C9A084

accent

#8748DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3584BC

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

Preview Lab → · Contrast checker → · Palette generator →