#3680AD#3680AD

#3680AD is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.3% C 0.101 H 238.8°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#3680AD
RGB	rgb(54, 128, 173)
HSL	hsl(203, 52%, 45%)
HSV	hsv(203, 69%, 68%)
CMYK	cmyk(68.8%, 26%, 0%, 32.2%)
CIE-LAB	lab(50.96, -8.14, -30.54)
CIE-LCH	lch(50.96, 31.61, 255.07°)
OKLab	oklab(57.35% -0.0521 -0.086)
OKLCH	oklch(57.35% 0.101 238.8)
XYZ	xyz(16.7804, 19.2379, 42.3560)
Luminance	0.1924 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3680AD #AD6336

analogous

#36AD9F #3680AD #3645AD

triadic

#3680AD #AD3680 #80AD36

tetradic

#3680AD #9F36AD #AD6336 #45AD36

square

#3680AD #9F36AD #AD6336 #45AD36

split-complementary

#3680AD #AD3645 #AD9F36

monochromatic

#193B50 #275D7E #3680AD #569ECA #85B9D9

Accessibility & contrast

On white

4.33

#3680AD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#3680AD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3680AD

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3680AD	#FFFFFF	#000000	##000000
##3680AD	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B80AF

Deuteranopia (green-blind)

#5B74AC

Tritanopia (blue-blind)

#008B8F

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3680ad;
/* rgb */ color: rgb(54, 128, 173);
/* oklch */ color: oklch(57.3% 0.101 238.8);

Tailwind

colors: {
  custom: {
    50: '#7ba4c5',
    500: '#3680ad',
    950: '#000000',
  },
}

SCSS

$custom: #3680ad;
$custom-light: #7ba4c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3680ad",
  "rgb": {
    "r": 54,
    "g": 128,
    "b": 173
  },
  "hsl": {
    "h": 202.689,
    "s": 52.423,
    "l": 44.51
  },
  "oklch": {
    "l": 0.57345,
    "c": 0.10055,
    "h": 238.8
  },
  "luminance": 0.1924
}

Semantic roles & 50–950 ramp

primary

#3680AD

secondary

#C2977C

accent

#824CDC

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #3680AD

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

Preview Lab → · Contrast checker → · Palette generator →