#3581BE#3581BE

#3581BE is a mid, moderate cyan. Relative luminance 0.202; OKLCH L 58.4% C 0.120 H 246.2°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#3581BE
RGB	rgb(53, 129, 190)
HSL	hsl(207, 56%, 48%)
HSV	hsv(207, 72%, 75%)
CMYK	cmyk(72.1%, 32.1%, 0%, 25.5%)
CIE-LAB	lab(52.03, -2.91, -38.65)
CIE-LCH	lch(52.03, 38.76, 265.70°)
OKLab	oklab(58.44% -0.0483 -0.1095)
OKLCH	oklch(58.44% 0.12 246.2)
XYZ	xyz(18.6092, 20.1730, 51.6182)
Luminance	0.2018 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3581BE #BE7235

analogous

#35BEB6 #3581BE #353DBE

triadic

#3581BE #BE3581 #81BE35

tetradic

#3581BE #B635BE #BE7235 #3DBE35

square

#3581BE #B635BE #BE7235 #3DBE35

split-complementary

#3581BE #BE353D #BEB635

monochromatic

#1A405E #28618E #3581BE #5E9ED2 #8EBBDF

Accessibility & contrast

On white

4.17

#3581BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#3581BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3581BE

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3581BE	#FFFFFF	#000000	##000000
##3581BE	1.00	4.17	5.04	5.04
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6583C1

Deuteranopia (green-blind)

#5276BD

Tritanopia (blue-blind)

#009097

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3581be;
/* rgb */ color: rgb(53, 129, 190);
/* oklch */ color: oklch(58.4% 0.120 246.2);

Tailwind

colors: {
  custom: {
    50: '#7da5d2',
    500: '#3581be',
    950: '#000000',
  },
}

SCSS

$custom: #3581be;
$custom-light: #7da5d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3581be",
  "rgb": {
    "r": 53,
    "g": 129,
    "b": 190
  },
  "hsl": {
    "h": 206.715,
    "s": 56.379,
    "l": 47.647
  },
  "oklch": {
    "l": 0.58444,
    "c": 0.11973,
    "h": 246.2
  },
  "luminance": 0.20175
}

Semantic roles & 50–950 ramp

primary

#3581BE

secondary

#CAA485

accent

#8C48E0

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3581BE

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

Preview Lab → · Contrast checker → · Palette generator →