#3691C9#3691C9

#3691C9 is a light, moderate cyan. Relative luminance 0.253; OKLCH L 62.8% C 0.119 H 239.9°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#3691C9
RGB	rgb(54, 145, 201)
HSL	hsl(203, 58%, 50%)
HSV	hsv(203, 73%, 79%)
CMYK	cmyk(73.1%, 27.9%, 0%, 21.2%)
CIE-LAB	lab(57.32, -8.17, -36.60)
CIE-LCH	lch(57.32, 37.50, 257.41°)
OKLab	oklab(62.8% -0.0598 -0.1034)
OKLCH	oklch(62.8% 0.119 239.9)
XYZ	xyz(22.1852, 25.2496, 58.9514)
Luminance	0.2525 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3691C9 #C96E36

analogous

#36C9B7 #3691C9 #3648C9

triadic

#3691C9 #C93691 #91C936

tetradic

#3691C9 #B736C9 #C96E36 #48C936

square

#3691C9 #B736C9 #C96E36 #48C936

split-complementary

#3691C9 #C93648 #C9B736

monochromatic

#1C4B69 #296E99 #3691C9 #66ABD6 #96C6E3

Accessibility & contrast

On white

3.47

#3691C9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.05

#3691C9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3691C9

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3691C9	#FFFFFF	#000000	##000000
##3691C9	1.00	3.47	6.05	6.05
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.05	21.00	1.00	1.00
##000000	6.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7791CC

Deuteranopia (green-blind)

#6383C8

Tritanopia (blue-blind)

#009FA4

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #3691c9;
/* rgb */ color: rgb(54, 145, 201);
/* oklch */ color: oklch(62.8% 0.119 239.9);

Tailwind

colors: {
  custom: {
    50: '#80b1d9',
    500: '#3691c9',
    950: '#000000',
  },
}

SCSS

$custom: #3691c9;
$custom-light: #80b1d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3691c9",
  "rgb": {
    "r": 54,
    "g": 145,
    "b": 201
  },
  "hsl": {
    "h": 202.857,
    "s": 57.647,
    "l": 50
  },
  "oklch": {
    "l": 0.62801,
    "c": 0.11945,
    "h": 239.9
  },
  "luminance": 0.25252
}

Semantic roles & 50–950 ramp

primary

#3691C9

secondary

#CEA68C

accent

#8247E1

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #3691C9

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

Preview Lab → · Contrast checker → · Palette generator →