#3681AE#3681AE

#3681AE is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.6% C 0.101 H 238.5°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#3681AE
RGB	rgb(54, 129, 174)
HSL	hsl(203, 53%, 45%)
HSV	hsv(203, 69%, 68%)
CMYK	cmyk(69%, 25.9%, 0%, 31.8%)
CIE-LAB	lab(51.31, -8.38, -30.58)
CIE-LCH	lch(51.31, 31.71, 254.68°)
OKLab	oklab(57.64% -0.0528 -0.0861)
OKLCH	oklch(57.64% 0.101 238.5)
XYZ	xyz(17.0086, 19.5389, 42.9112)
Luminance	0.1954 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3681AE #AE6336

analogous

#36AE9F #3681AE #3645AE

triadic

#3681AE #AE3681 #81AE36

tetradic

#3681AE #9F36AE #AE6336 #45AE36

square

#3681AE #9F36AE #AE6336 #45AE36

split-complementary

#3681AE #AE3645 #AE9F36

monochromatic

#193C51 #285E7F #3681AE #569FCB #85BAD9

Accessibility & contrast

On white

4.28

#3681AE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#3681AE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3681AE

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3681AE	#FFFFFF	#000000	##000000
##3681AE	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C81B0

Deuteranopia (green-blind)

#5C75AD

Tritanopia (blue-blind)

#008C90

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3681ae;
/* rgb */ color: rgb(54, 129, 174);
/* oklch */ color: oklch(57.6% 0.101 238.5);

Tailwind

colors: {
  custom: {
    50: '#7ba5c6',
    500: '#3681ae',
    950: '#000000',
  },
}

SCSS

$custom: #3681ae;
$custom-light: #7ba5c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3681ae",
  "rgb": {
    "r": 54,
    "g": 129,
    "b": 174
  },
  "hsl": {
    "h": 202.5,
    "s": 52.632,
    "l": 44.706
  },
  "oklch": {
    "l": 0.57636,
    "c": 0.101,
    "h": 238.5
  },
  "luminance": 0.19541
}

Semantic roles & 50–950 ramp

primary

#3681AE

secondary

#C3977D

accent

#824CDC

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #3681AE

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

Preview Lab → · Contrast checker → · Palette generator →