#3584B4#3584B4

#3584B4 is a mid, moderate cyan. Relative luminance 0.206; OKLCH L 58.6% C 0.106 H 239.1°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#3584B4
RGB	rgb(53, 132, 180)
HSL	hsl(203, 55%, 46%)
HSV	hsv(203, 71%, 71%)
CMYK	cmyk(70.6%, 26.7%, 0%, 29.4%)
CIE-LAB	lab(52.46, -8.18, -32.25)
CIE-LCH	lch(52.46, 33.27, 255.77°)
OKLab	oklab(58.62% -0.0545 -0.0909)
OKLCH	oklch(58.62% 0.106 239.1)
XYZ	xyz(17.9545, 20.5527, 46.1920)
Luminance	0.2056 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3584B4 #B46535

analogous

#35B4A4 #3584B4 #3545B4

triadic

#3584B4 #B43584 #84B435

tetradic

#3584B4 #A435B4 #B46535 #45B435

square

#3584B4 #A435B4 #B46535 #45B435

split-complementary

#3584B4 #B43545 #B4A435

monochromatic

#193F55 #276185 #3584B4 #58A1CE #88BCDC

Accessibility & contrast

On white

4.11

#3584B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#3584B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3584B4

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3584B4	#FFFFFF	#000000	##000000
##3584B4	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E84B6

Deuteranopia (green-blind)

#5C78B3

Tritanopia (blue-blind)

#009095

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3584b4;
/* rgb */ color: rgb(53, 132, 180);
/* oklch */ color: oklch(58.6% 0.106 239.1);

Tailwind

colors: {
  custom: {
    50: '#7ca7ca',
    500: '#3584b4',
    950: '#000000',
  },
}

SCSS

$custom: #3584b4;
$custom-light: #7ca7ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3584b4",
  "rgb": {
    "r": 53,
    "g": 132,
    "b": 180
  },
  "hsl": {
    "h": 202.677,
    "s": 54.506,
    "l": 45.686
  },
  "oklch": {
    "l": 0.58624,
    "c": 0.10597,
    "h": 239.1
  },
  "luminance": 0.20555
}

Semantic roles & 50–950 ramp

primary

#3584B4

secondary

#C69A7F

accent

#824ADE

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3584B4

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

Preview Lab → · Contrast checker → · Palette generator →