#3584B1#3584B1

#3584B1 is a mid, moderate cyan. Relative luminance 0.204; OKLCH L 58.5% C 0.103 H 237.3°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#3584B1
RGB	rgb(53, 132, 177)
HSL	hsl(202, 54%, 45%)
HSV	hsv(202, 70%, 69%)
CMYK	cmyk(70.1%, 25.4%, 0%, 30.6%)
CIE-LAB	lab(52.32, -9.22, -30.74)
CIE-LCH	lch(52.32, 32.09, 253.30°)
OKLab	oklab(58.47% -0.0555 -0.0865)
OKLCH	oklch(58.47% 0.103 237.3)
XYZ	xyz(17.6522, 20.4318, 44.5999)
Luminance	0.2043 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3584B1 #B16235

analogous

#35B1A0 #3584B1 #3546B1

triadic

#3584B1 #B13584 #84B135

tetradic

#3584B1 #A035B1 #B16235 #46B135

square

#3584B1 #A035B1 #B16235 #46B135

split-complementary

#3584B1 #B13546 #B1A035

monochromatic

#193E53 #276182 #3584B1 #57A2CD #86BCDB

Accessibility & contrast

On white

4.13

#3584B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#3584B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3584B1

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3584B1	#FFFFFF	#000000	##000000
##3584B1	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F84B3

Deuteranopia (green-blind)

#5E77B0

Tritanopia (blue-blind)

#009093

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3584b1;
/* rgb */ color: rgb(53, 132, 177);
/* oklch */ color: oklch(58.5% 0.103 237.3);

Tailwind

colors: {
  custom: {
    50: '#7ba7c8',
    500: '#3584b1',
    950: '#000000',
  },
}

SCSS

$custom: #3584b1;
$custom-light: #7ba7c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3584b1",
  "rgb": {
    "r": 53,
    "g": 132,
    "b": 177
  },
  "hsl": {
    "h": 201.774,
    "s": 53.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.58473,
    "c": 0.10279,
    "h": 237.3
  },
  "luminance": 0.20434
}

Semantic roles & 50–950 ramp

primary

#3584B1

secondary

#C4977D

accent

#804BDD

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3584B1

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

Preview Lab → · Contrast checker → · Palette generator →