#3680AF#3680AF

#3680AF is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.4% C 0.103 H 240.0°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#3680AF
RGB	rgb(54, 128, 175)
HSL	hsl(203, 53%, 45%)
HSV	hsv(203, 69%, 69%)
CMYK	cmyk(69.1%, 26.9%, 0%, 31.4%)
CIE-LAB	lab(51.05, -7.45, -31.56)
CIE-LCH	lch(51.05, 32.43, 256.71°)
OKLab	oklab(57.45% -0.0514 -0.0889)
OKLCH	oklch(57.45% 0.103 240)
XYZ	xyz(16.9754, 19.3159, 43.3828)
Luminance	0.1932 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3680AF #AF6536

analogous

#36AFA2 #3680AF #3644AF

triadic

#3680AF #AF3680 #80AF36

tetradic

#3680AF #A236AF #AF6536 #44AF36

square

#3680AF #A236AF #AF6536 #44AF36

split-complementary

#3680AF #AF3644 #AFA236

monochromatic

#193C51 #285E80 #3680AF #579ECB #86B9DA

Accessibility & contrast

On white

4.32

#3680AF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#3680AF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3680AF

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3680AF	#FFFFFF	#000000	##000000
##3680AF	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A80B1

Deuteranopia (green-blind)

#5A74AE

Tritanopia (blue-blind)

#008C90

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3680af;
/* rgb */ color: rgb(54, 128, 175);
/* oklch */ color: oklch(57.4% 0.103 240.0);

Tailwind

colors: {
  custom: {
    50: '#7ba4c7',
    500: '#3680af',
    950: '#000000',
  },
}

SCSS

$custom: #3680af;
$custom-light: #7ba4c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3680af",
  "rgb": {
    "r": 54,
    "g": 128,
    "b": 175
  },
  "hsl": {
    "h": 203.306,
    "s": 52.838,
    "l": 44.902
  },
  "oklch": {
    "l": 0.57447,
    "c": 0.10274,
    "h": 240
  },
  "luminance": 0.19318
}

Semantic roles & 50–950 ramp

primary

#3680AF

secondary

#C3997D

accent

#844CDC

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #3680AF

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

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