#3691BD#3691BD

#3691BD is a light, moderate cyan. Relative luminance 0.247; OKLCH L 62.2% C 0.107 H 233.4°. Best body text is #000000 at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#3691BD
RGB	rgb(54, 145, 189)
HSL	hsl(200, 56%, 48%)
HSV	hsv(200, 71%, 74%)
CMYK	cmyk(71.4%, 23.3%, 0%, 25.9%)
CIE-LAB	lab(56.79, -12.30, -30.64)
CIE-LCH	lch(56.79, 33.01, 248.13°)
OKLab	oklab(62.21% -0.0639 -0.0861)
OKLCH	oklch(62.21% 0.107 233.4)
XYZ	xyz(20.8284, 24.7068, 51.8054)
Luminance	0.2471 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3691BD #BD6236

analogous

#36BDA6 #3691BD #364DBD

triadic

#3691BD #BD3691 #91BD36

tetradic

#3691BD #A636BD #BD6236 #4DBD36

square

#3691BD #A636BD #BD6236 #4DBD36

split-complementary

#3691BD #BD364D #BDA636

monochromatic

#1B485E #286C8D #3691BD #5FACD1 #8FC5DF

Accessibility & contrast

On white

3.53

#3691BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.94

#3691BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3691BD

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3691BD	#FFFFFF	#000000	##000000
##3691BD	1.00	3.53	5.94	5.94
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.94	21.00	1.00	1.00
##000000	5.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B90BF

Deuteranopia (green-blind)

#6982BC

Tritanopia (blue-blind)

#009DA0

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3691bd;
/* rgb */ color: rgb(54, 145, 189);
/* oklch */ color: oklch(62.2% 0.107 233.4);

Tailwind

colors: {
  custom: {
    50: '#7eb1d1',
    500: '#3691bd',
    950: '#000000',
  },
}

SCSS

$custom: #3691bd;
$custom-light: #7eb1d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3691bd",
  "rgb": {
    "r": 54,
    "g": 145,
    "b": 189
  },
  "hsl": {
    "h": 199.556,
    "s": 55.556,
    "l": 47.647
  },
  "oklch": {
    "l": 0.62206,
    "c": 0.10725,
    "h": 233.4
  },
  "luminance": 0.24709
}

Semantic roles & 50–950 ramp

primary

#3691BD

secondary

#C99C85

accent

#7A49DF

background

#F8FAFC

surface

#EFF5F9

border

#CACFD2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3691BD

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

Preview Lab → · Contrast checker → · Palette generator →