#3681AD#3681AD

#3681AD is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.6% C 0.100 H 237.9°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#3681AD
RGB	rgb(54, 129, 173)
HSL	hsl(202, 52%, 45%)
HSV	hsv(202, 69%, 68%)
CMYK	cmyk(68.8%, 25.4%, 0%, 32.2%)
CIE-LAB	lab(51.27, -8.72, -30.07)
CIE-LCH	lch(51.27, 31.31, 253.83°)
OKLab	oklab(57.59% -0.0532 -0.0846)
OKLCH	oklch(57.59% 0.1 237.9)
XYZ	xyz(16.9115, 19.5001, 42.3997)
Luminance	0.1950 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3681AD #AD6236

analogous

#36AD9E #3681AD #3645AD

triadic

#3681AD #AD3681 #81AD36

tetradic

#3681AD #9E36AD #AD6236 #45AD36

square

#3681AD #9E36AD #AD6236 #45AD36

split-complementary

#3681AD #AD3645 #AD9E36

monochromatic

#193B50 #275E7E #3681AD #569FCA #85BAD9

Accessibility & contrast

On white

4.29

#3681AD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#3681AD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3681AD

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3681AD	#FFFFFF	#000000	##000000
##3681AD	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C81AF

Deuteranopia (green-blind)

#5C75AC

Tritanopia (blue-blind)

#008C90

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3681ad;
/* rgb */ color: rgb(54, 129, 173);
/* oklch */ color: oklch(57.6% 0.100 237.9);

Tailwind

colors: {
  custom: {
    50: '#7ba5c5',
    500: '#3681ad',
    950: '#000000',
  },
}

SCSS

$custom: #3681ad;
$custom-light: #7ba5c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3681ad",
  "rgb": {
    "r": 54,
    "g": 129,
    "b": 173
  },
  "hsl": {
    "h": 202.185,
    "s": 52.423,
    "l": 44.51
  },
  "oklch": {
    "l": 0.57586,
    "c": 0.09993,
    "h": 237.9
  },
  "luminance": 0.19502
}

Semantic roles & 50–950 ramp

primary

#3681AD

secondary

#C2967C

accent

#814CDC

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #3681AD

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

Preview Lab → · Contrast checker → · Palette generator →