#3584B3#3584B3

#3584B3 is a mid, moderate cyan. Relative luminance 0.205; OKLCH L 58.6% C 0.105 H 238.5°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#3584B3
RGB	rgb(53, 132, 179)
HSL	hsl(202, 54%, 45%)
HSV	hsv(202, 70%, 70%)
CMYK	cmyk(70.4%, 26.3%, 0%, 29.8%)
CIE-LAB	lab(52.41, -8.53, -31.75)
CIE-LCH	lch(52.41, 32.87, 254.96°)
OKLab	oklab(58.57% -0.0548 -0.0894)
OKLCH	oklch(58.57% 0.105 238.5)
XYZ	xyz(17.8530, 20.5121, 45.6574)
Luminance	0.2051 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3584B3 #B36435

analogous

#35B3A3 #3584B3 #3545B3

triadic

#3584B3 #B33584 #84B335

tetradic

#3584B3 #A335B3 #B36435 #45B335

square

#3584B3 #A335B3 #B36435 #45B335

split-complementary

#3584B3 #B33545 #B3A335

monochromatic

#193E55 #276184 #3584B3 #58A2CD #87BCDB

Accessibility & contrast

On white

4.12

#3584B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#3584B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3584B3

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3584B3	#FFFFFF	#000000	##000000
##3584B3	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E84B5

Deuteranopia (green-blind)

#5D78B2

Tritanopia (blue-blind)

#009094

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3584b3;
/* rgb */ color: rgb(53, 132, 179);
/* oklch */ color: oklch(58.6% 0.105 238.5);

Tailwind

colors: {
  custom: {
    50: '#7ca7ca',
    500: '#3584b3',
    950: '#000000',
  },
}

SCSS

$custom: #3584b3;
$custom-light: #7ca7ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3584b3",
  "rgb": {
    "r": 53,
    "g": 132,
    "b": 179
  },
  "hsl": {
    "h": 202.381,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.58573,
    "c": 0.1049,
    "h": 238.5
  },
  "luminance": 0.20514
}

Semantic roles & 50–950 ramp

primary

#3584B3

secondary

#C5997F

accent

#814ADE

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3584B3

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

Preview Lab → · Contrast checker → · Palette generator →