#3590CB#3590CB

#3590CB is a light, vivid cyan. Relative luminance 0.250; OKLCH L 62.6% C 0.123 H 241.4°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#3590CB
RGB	rgb(53, 144, 203)
HSL	hsl(204, 59%, 50%)
HSV	hsv(204, 74%, 80%)
CMYK	cmyk(73.9%, 29.1%, 0%, 20.4%)
CIE-LAB	lab(57.09, -7.03, -38.09)
CIE-LCH	lch(57.09, 38.73, 259.54°)
OKLab	oklab(62.64% -0.0588 -0.1077)
OKLCH	oklch(62.64% 0.123 241.4)
XYZ	xyz(22.2168, 25.0126, 60.1454)
Luminance	0.2501 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3590CB #CB7035

analogous

#35CBBB #3590CB #3545CB

triadic

#3590CB #CB3590 #90CB35

tetradic

#3590CB #BB35CB #CB7035 #45CB35

square

#3590CB #BB35CB #CB7035 #45CB35

split-complementary

#3590CB #CB3545 #CBBB35

monochromatic

#1B4B6A #286E9B #3590CB #66ABD8 #96C5E4

Accessibility & contrast

On white

3.50

#3590CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.00

#3590CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3590CB

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3590CB	#FFFFFF	#000000	##000000
##3590CB	1.00	3.50	6.00	6.00
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.00	21.00	1.00	1.00
##000000	6.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7591CE

Deuteranopia (green-blind)

#6083CA

Tritanopia (blue-blind)

#009FA5

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #3590cb;
/* rgb */ color: rgb(53, 144, 203);
/* oklch */ color: oklch(62.6% 0.123 241.4);

Tailwind

colors: {
  custom: {
    50: '#80b0db',
    500: '#3590cb',
    950: '#000000',
  },
}

SCSS

$custom: #3590cb;
$custom-light: #80b0db;
$custom-dark: #000000;

JSON

{
  "hex": "#3590cb",
  "rgb": {
    "r": 53,
    "g": 144,
    "b": 203
  },
  "hsl": {
    "h": 203.6,
    "s": 59.055,
    "l": 50.196
  },
  "oklch": {
    "l": 0.62641,
    "c": 0.12271,
    "h": 241.4
  },
  "luminance": 0.25015
}

Semantic roles & 50–950 ramp

primary

#3590CB

secondary

#CFA78C

accent

#8346E2

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3590CB

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

Preview Lab → · Contrast checker → · Palette generator →