#3681AF#3681AF

#3681AF is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 57.7% C 0.102 H 239.1°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#3681AF
RGB	rgb(54, 129, 175)
HSL	hsl(203, 53%, 45%)
HSV	hsv(203, 69%, 69%)
CMYK	cmyk(69.1%, 26.3%, 0%, 31.4%)
CIE-LAB	lab(51.36, -8.03, -31.09)
CIE-LCH	lch(51.36, 32.11, 255.51°)
OKLab	oklab(57.69% -0.0525 -0.0875)
OKLCH	oklch(57.69% 0.102 239.1)
XYZ	xyz(17.1064, 19.5781, 43.4265)
Luminance	0.1958 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3681AF #AF6436

analogous

#36AFA0 #3681AF #3645AF

triadic

#3681AF #AF3681 #81AF36

tetradic

#3681AF #A036AF #AF6436 #45AF36

square

#3681AF #A036AF #AF6436 #45AF36

split-complementary

#3681AF #AF3645 #AFA036

monochromatic

#193C51 #285F80 #3681AF #579FCB #86BADA

Accessibility & contrast

On white

4.27

#3681AF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#3681AF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3681AF

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3681AF	#FFFFFF	#000000	##000000
##3681AF	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C81B1

Deuteranopia (green-blind)

#5B75AE

Tritanopia (blue-blind)

#008D91

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3681af;
/* rgb */ color: rgb(54, 129, 175);
/* oklch */ color: oklch(57.7% 0.102 239.1);

Tailwind

colors: {
  custom: {
    50: '#7ba5c7',
    500: '#3681af',
    950: '#000000',
  },
}

SCSS

$custom: #3681af;
$custom-light: #7ba5c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3681af",
  "rgb": {
    "r": 54,
    "g": 129,
    "b": 175
  },
  "hsl": {
    "h": 202.81,
    "s": 52.838,
    "l": 44.902
  },
  "oklch": {
    "l": 0.57686,
    "c": 0.10207,
    "h": 239.1
  },
  "luminance": 0.1958
}

Semantic roles & 50–950 ramp

primary

#3681AF

secondary

#C3987D

accent

#834CDC

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #3681AF

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

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