#3583BB#3583BB

#3583BB is a mid, moderate cyan. Relative luminance 0.206; OKLCH L 58.8% C 0.115 H 243.4°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#3583BB
RGB	rgb(53, 131, 187)
HSL	hsl(205, 56%, 47%)
HSV	hsv(205, 72%, 73%)
CMYK	cmyk(71.7%, 29.9%, 0%, 26.7%)
CIE-LAB	lab(52.48, -5.15, -36.23)
CIE-LCH	lch(52.48, 36.59, 261.91°)
OKLab	oklab(58.75% -0.0512 -0.1024)
OKLCH	oklch(58.75% 0.115 243.4)
XYZ	xyz(18.5507, 20.5753, 49.9978)
Luminance	0.2058 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3583BB #BB6D35

analogous

#35BBB0 #3583BB #3540BB

triadic

#3583BB #BB3583 #83BB35

tetradic

#3583BB #B035BB #BB6D35 #40BB35

square

#3583BB #B035BB #BB6D35 #40BB35

split-complementary

#3583BB #BB3540 #BBB035

monochromatic

#1A405C #27628B #3583BB #5CA0D1 #8CBCDE

Accessibility & contrast

On white

4.11

#3583BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#3583BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3583BB

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3583BB	#FFFFFF	#000000	##000000
##3583BB	1.00	4.11	5.12	5.12
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6984BD

Deuteranopia (green-blind)

#5778BA

Tritanopia (blue-blind)

#009197

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3583bb;
/* rgb */ color: rgb(53, 131, 187);
/* oklch */ color: oklch(58.8% 0.115 243.4);

Tailwind

colors: {
  custom: {
    50: '#7da6cf',
    500: '#3583bb',
    950: '#000000',
  },
}

SCSS

$custom: #3583bb;
$custom-light: #7da6cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3583bb",
  "rgb": {
    "r": 53,
    "g": 131,
    "b": 187
  },
  "hsl": {
    "h": 205.075,
    "s": 55.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.58751,
    "c": 0.11453,
    "h": 243.4
  },
  "luminance": 0.20577
}

Semantic roles & 50–950 ramp

primary

#3583BB

secondary

#C9A083

accent

#8849DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3583BB

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

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