#3691BF#3691BF

#3691BF is a light, moderate cyan. Relative luminance 0.248; OKLCH L 62.3% C 0.109 H 234.6°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#3691BF
RGB	rgb(54, 145, 191)
HSL	hsl(200, 56%, 48%)
HSV	hsv(200, 72%, 75%)
CMYK	cmyk(71.7%, 24.1%, 0%, 25.1%)
CIE-LAB	lab(56.87, -11.62, -31.64)
CIE-LCH	lch(56.87, 33.70, 249.84°)
OKLab	oklab(62.3% -0.0632 -0.089)
OKLCH	oklch(62.3% 0.109 234.6)
XYZ	xyz(21.0470, 24.7943, 52.9567)
Luminance	0.2480 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3691BF #BF6436

analogous

#36BFA8 #3691BF #364CBF

triadic

#3691BF #BF3691 #91BF36

tetradic

#3691BF #A836BF #BF6436 #4CBF36

square

#3691BF #A836BF #BF6436 #4CBF36

split-complementary

#3691BF #BF364C #BFA836

monochromatic

#1B4960 #296D8F #3691BF #60ACD2 #90C5E0

Accessibility & contrast

On white

3.52

#3691BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.96

#3691BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3691BF

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3691BF	#FFFFFF	#000000	##000000
##3691BF	1.00	3.52	5.96	5.96
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.96	21.00	1.00	1.00
##000000	5.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B90C1

Deuteranopia (green-blind)

#6883BE

Tritanopia (blue-blind)

#009DA1

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3691bf;
/* rgb */ color: rgb(54, 145, 191);
/* oklch */ color: oklch(62.3% 0.109 234.6);

Tailwind

colors: {
  custom: {
    50: '#7eb1d2',
    500: '#3691bf',
    950: '#000000',
  },
}

SCSS

$custom: #3691bf;
$custom-light: #7eb1d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3691bf",
  "rgb": {
    "r": 54,
    "g": 145,
    "b": 191
  },
  "hsl": {
    "h": 200.146,
    "s": 55.918,
    "l": 48.039
  },
  "oklch": {
    "l": 0.62303,
    "c": 0.10917,
    "h": 234.6
  },
  "luminance": 0.24797
}

Semantic roles & 50–950 ramp

primary

#3691BF

secondary

#CA9D87

accent

#7B49DF

background

#F8FAFC

surface

#EFF5F9

border

#CACFD2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3691BF

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

Preview Lab → · Contrast checker → · Palette generator →