#3680B7#3680B7

#3680B7 is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 57.9% C 0.112 H 244.1°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#3680B7
RGB	rgb(54, 128, 183)
HSL	hsl(206, 54%, 46%)
HSV	hsv(206, 70%, 72%)
CMYK	cmyk(70.5%, 30.1%, 0%, 28.2%)
CIE-LAB	lab(51.43, -4.65, -35.58)
CIE-LCH	lch(51.43, 35.89, 262.55°)
OKLab	oklab(57.86% -0.0489 -0.1006)
OKLCH	oklch(57.86% 0.112 244.1)
XYZ	xyz(17.7845, 19.6396, 47.6441)
Luminance	0.1964 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3680B7 #B76D36

analogous

#36B7AE #3680B7 #3640B7

triadic

#3680B7 #B73680 #80B736

tetradic

#3680B7 #AE36B7 #B76D36 #40B736

square

#3680B7 #AE36B7 #B76D36 #40B736

split-complementary

#3680B7 #B73640 #B7AE36

monochromatic

#1A3E58 #285F88 #3680B7 #5B9ECF #8BBADD

Accessibility & contrast

On white

4.26

#3680B7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#3680B7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3680B7

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3680B7	#FFFFFF	#000000	##000000
##3680B7	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6781B9

Deuteranopia (green-blind)

#5575B6

Tritanopia (blue-blind)

#008D93

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3680b7;
/* rgb */ color: rgb(54, 128, 183);
/* oklch */ color: oklch(57.9% 0.112 244.1);

Tailwind

colors: {
  custom: {
    50: '#7ca4cd',
    500: '#3680b7',
    950: '#000000',
  },
}

SCSS

$custom: #3680b7;
$custom-light: #7ca4cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3680b7",
  "rgb": {
    "r": 54,
    "g": 128,
    "b": 183
  },
  "hsl": {
    "h": 205.581,
    "s": 54.43,
    "l": 46.471
  },
  "oklch": {
    "l": 0.57864,
    "c": 0.11185,
    "h": 244.1
  },
  "luminance": 0.19642
}

Semantic roles & 50–950 ramp

primary

#3680B7

secondary

#C79F82

accent

#894ADE

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3680B7

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

Preview Lab → · Contrast checker → · Palette generator →