#3681AB#3681AB

#3681AB is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.5% C 0.098 H 236.6°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#3681AB
RGB	rgb(54, 129, 171)
HSL	hsl(202, 52%, 44%)
HSV	hsv(202, 68%, 67%)
CMYK	cmyk(68.4%, 24.6%, 0%, 32.9%)
CIE-LAB	lab(51.18, -9.41, -29.05)
CIE-LCH	lch(51.18, 30.54, 252.05°)
OKLab	oklab(57.49% -0.0538 -0.0817)
OKLCH	oklch(57.49% 0.098 236.6)
XYZ	xyz(16.7194, 19.4233, 41.3881)
Luminance	0.1943 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3681AB #AB6036

analogous

#36AB9B #3681AB #3647AB

triadic

#3681AB #AB3681 #81AB36

tetradic

#3681AB #9B36AB #AB6036 #47AB36

square

#3681AB #9B36AB #AB6036 #47AB36

split-complementary

#3681AB #AB3647 #AB9B36

monochromatic

#193B4E #275E7C #3681AB #55A0C9 #83BAD8

Accessibility & contrast

On white

4.30

#3681AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#3681AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3681AB

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3681AB	#FFFFFF	#000000	##000000
##3681AB	1.00	4.30	4.89	4.89
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D80AD

Deuteranopia (green-blind)

#5D75AA

Tritanopia (blue-blind)

#008C8F

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3681ab;
/* rgb */ color: rgb(54, 129, 171);
/* oklch */ color: oklch(57.5% 0.098 236.6);

Tailwind

colors: {
  custom: {
    50: '#7ba5c4',
    500: '#3681ab',
    950: '#000000',
  },
}

SCSS

$custom: #3681ab;
$custom-light: #7ba5c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3681ab",
  "rgb": {
    "r": 54,
    "g": 129,
    "b": 171
  },
  "hsl": {
    "h": 201.538,
    "s": 52,
    "l": 44.118
  },
  "oklch": {
    "l": 0.57486,
    "c": 0.09783,
    "h": 236.6
  },
  "luminance": 0.19425
}

Semantic roles & 50–950 ramp

primary

#3681AB

secondary

#C2947B

accent

#804CDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #3681AB

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

Preview Lab → · Contrast checker → · Palette generator →