#3588B4#3588B4

#3588B4 is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.6% C 0.104 H 235.6°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#3588B4
RGB	rgb(53, 136, 180)
HSL	hsl(201, 55%, 46%)
HSV	hsv(201, 71%, 71%)
CMYK	cmyk(70.6%, 24.4%, 0%, 29.4%)
CIE-LAB	lab(53.66, -10.47, -30.37)
CIE-LCH	lch(53.66, 32.12, 250.99°)
OKLab	oklab(59.58% -0.0585 -0.0854)
OKLCH	oklch(59.58% 0.104 235.6)
XYZ	xyz(18.5073, 21.6584, 46.3763)
Luminance	0.2166 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3588B4 #B46135

analogous

#35B4A0 #3588B4 #3549B4

triadic

#3588B4 #B43588 #88B435

tetradic

#3588B4 #A035B4 #B46135 #49B435

square

#3588B4 #A035B4 #B46135 #49B435

split-complementary

#3588B4 #B43549 #B4A035

monochromatic

#194155 #276485 #3588B4 #58A5CE #88BFDC

Accessibility & contrast

On white

3.94

#3588B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#3588B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3588B4

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3588B4	#FFFFFF	#000000	##000000
##3588B4	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7387B6

Deuteranopia (green-blind)

#627BB3

Tritanopia (blue-blind)

#009397

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3588b4;
/* rgb */ color: rgb(53, 136, 180);
/* oklch */ color: oklch(59.6% 0.104 235.6);

Tailwind

colors: {
  custom: {
    50: '#7caaca',
    500: '#3588b4',
    950: '#000000',
  },
}

SCSS

$custom: #3588b4;
$custom-light: #7caaca;
$custom-dark: #000000;

JSON

{
  "hex": "#3588b4",
  "rgb": {
    "r": 53,
    "g": 136,
    "b": 180
  },
  "hsl": {
    "h": 200.787,
    "s": 54.506,
    "l": 45.686
  },
  "oklch": {
    "l": 0.59582,
    "c": 0.10357,
    "h": 235.6
  },
  "luminance": 0.2166
}

Semantic roles & 50–950 ramp

primary

#3588B4

secondary

#C6987F

accent

#7D4ADE

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3588B4

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

Preview Lab → · Contrast checker → · Palette generator →