#3583B4#3583B4

#3583B4 is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.4% C 0.107 H 239.9°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#3583B4
RGB	rgb(53, 131, 180)
HSL	hsl(203, 55%, 46%)
HSV	hsv(203, 71%, 71%)
CMYK	cmyk(70.6%, 27.2%, 0%, 29.4%)
CIE-LAB	lab(52.16, -7.60, -32.72)
CIE-LCH	lch(52.16, 33.59, 256.92°)
OKLab	oklab(58.39% -0.0534 -0.0923)
OKLCH	oklch(58.39% 0.107 239.9)
XYZ	xyz(17.8195, 20.2828, 46.1470)
Luminance	0.2029 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3583B4 #B46635

analogous

#35B4A5 #3583B4 #3543B4

triadic

#3583B4 #B43583 #83B435

tetradic

#3583B4 #A535B4 #B46635 #43B435

square

#3583B4 #A535B4 #B46635 #43B435

split-complementary

#3583B4 #B43543 #B4A535

monochromatic

#193E55 #276185 #3583B4 #58A1CE #88BBDC

Accessibility & contrast

On white

4.15

#3583B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#3583B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3583B4

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3583B4	#FFFFFF	#000000	##000000
##3583B4	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C83B6

Deuteranopia (green-blind)

#5B77B3

Tritanopia (blue-blind)

#008F94

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3583b4;
/* rgb */ color: rgb(53, 131, 180);
/* oklch */ color: oklch(58.4% 0.107 239.9);

Tailwind

colors: {
  custom: {
    50: '#7ca6ca',
    500: '#3583b4',
    950: '#000000',
  },
}

SCSS

$custom: #3583b4;
$custom-light: #7ca6ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3583b4",
  "rgb": {
    "r": 53,
    "g": 131,
    "b": 180
  },
  "hsl": {
    "h": 203.15,
    "s": 54.506,
    "l": 45.686
  },
  "oklch": {
    "l": 0.58385,
    "c": 0.10664,
    "h": 239.9
  },
  "luminance": 0.20285
}

Semantic roles & 50–950 ramp

primary

#3583B4

secondary

#C69A7F

accent

#834ADE

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3583B4

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

Preview Lab → · Contrast checker → · Palette generator →