#3683AD#3683AD

#3683AD is a mid, moderate cyan. Relative luminance 0.200; OKLCH L 58.1% C 0.099 H 236.0°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#3683AD
RGB	rgb(54, 131, 173)
HSL	hsl(201, 52%, 45%)
HSV	hsv(201, 69%, 68%)
CMYK	cmyk(68.8%, 24.3%, 0%, 32.2%)
CIE-LAB	lab(51.87, -9.87, -29.13)
CIE-LCH	lch(51.87, 30.75, 251.28°)
OKLab	oklab(58.07% -0.0552 -0.0819)
OKLCH	oklch(58.07% 0.099 236)
XYZ	xyz(17.1775, 20.0321, 42.4884)
Luminance	0.2003 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3683AD #AD6036

analogous

#36AD9B #3683AD #3648AD

triadic

#3683AD #AD3683 #83AD36

tetradic

#3683AD #9B36AD #AD6036 #48AD36

square

#3683AD #9B36AD #AD6036 #48AD36

split-complementary

#3683AD #AD3648 #AD9B36

monochromatic

#193C50 #27607E #3683AD #56A1CA #85BBD9

Accessibility & contrast

On white

4.19

#3683AD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#3683AD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3683AD

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3683AD	#FFFFFF	#000000	##000000
##3683AD	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F82AF

Deuteranopia (green-blind)

#5F76AC

Tritanopia (blue-blind)

#008E91

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3683ad;
/* rgb */ color: rgb(54, 131, 173);
/* oklch */ color: oklch(58.1% 0.099 236.0);

Tailwind

colors: {
  custom: {
    50: '#7ba7c5',
    500: '#3683ad',
    950: '#000000',
  },
}

SCSS

$custom: #3683ad;
$custom-light: #7ba7c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3683ad",
  "rgb": {
    "r": 54,
    "g": 131,
    "b": 173
  },
  "hsl": {
    "h": 201.176,
    "s": 52.423,
    "l": 44.51
  },
  "oklch": {
    "l": 0.58067,
    "c": 0.09877,
    "h": 236
  },
  "luminance": 0.20034
}

Semantic roles & 50–950 ramp

primary

#3683AD

secondary

#C2957C

accent

#7F4CDC

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #3683AD

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

Preview Lab → · Contrast checker → · Palette generator →