#3F91AD#3F91AD

#3F91AD is a mid, moderate cyan. Relative luminance 0.243; OKLCH L 61.8% C 0.089 H 223.6°. Best body text is #000000 at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#3F91AD
RGB	rgb(63, 145, 173)
HSL	hsl(195, 47%, 46%)
HSV	hsv(195, 64%, 68%)
CMYK	cmyk(63.6%, 16.2%, 0%, 32.2%)
CIE-LAB	lab(56.41, -16.13, -22.10)
CIE-LCH	lch(56.41, 27.36, 233.87°)
OKLab	oklab(61.77% -0.0646 -0.0616)
OKLCH	oklch(61.77% 0.089 223.6)
XYZ	xyz(19.7151, 24.3227, 43.1828)
Luminance	0.2432 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F91AD #AD5B3F

analogous

#3FAD92 #3F91AD #3F5AAD

triadic

#3F91AD #AD3F91 #91AD3F

tetradic

#3F91AD #923FAD #AD5B3F #5AAD3F

square

#3F91AD #923FAD #AD5B3F #5AAD3F

split-complementary

#3F91AD #AD3F5A #AD923F

monochromatic

#1E4653 #2F6B80 #3F91AD #63ADC6 #90C5D7

Accessibility & contrast

On white

3.58

#3F91AD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.87

#3F91AD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F91AD

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F91AD	#FFFFFF	#000000	##000000
##3F91AD	1.00	3.58	5.87	5.87
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.87	21.00	1.00	1.00
##000000	5.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818EAE

Deuteranopia (green-blind)

#7182AD

Tritanopia (blue-blind)

#009A9A

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3f91ad;
/* rgb */ color: rgb(63, 145, 173);
/* oklch */ color: oklch(61.8% 0.089 223.6);

Tailwind

colors: {
  custom: {
    50: '#80b1c5',
    500: '#3f91ad',
    950: '#000000',
  },
}

SCSS

$custom: #3f91ad;
$custom-light: #80b1c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f91ad",
  "rgb": {
    "r": 63,
    "g": 145,
    "b": 173
  },
  "hsl": {
    "h": 195.273,
    "s": 46.61,
    "l": 46.275
  },
  "oklch": {
    "l": 0.61765,
    "c": 0.08927,
    "h": 223.6
  },
  "luminance": 0.24325
}

Semantic roles & 50–950 ramp

primary

#3F91AD

secondary

#C29586

accent

#7352D6

background

#F8FAFC

surface

#EFF5F8

border

#CACFD1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3F91AD

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

Preview Lab → · Contrast checker → · Palette generator →