#3F91AE#3F91AE

#3F91AE is a mid, moderate cyan. Relative luminance 0.244; OKLCH L 61.8% C 0.090 H 224.5°. Best body text is #000000 at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#3F91AE
RGB	rgb(63, 145, 174)
HSL	hsl(196, 47%, 46%)
HSV	hsv(196, 64%, 68%)
CMYK	cmyk(63.8%, 16.7%, 0%, 31.8%)
CIE-LAB	lab(56.45, -15.81, -22.61)
CIE-LCH	lch(56.45, 27.59, 235.03°)
OKLab	oklab(61.81% -0.0642 -0.0631)
OKLCH	oklch(61.81% 0.09 224.5)
XYZ	xyz(19.8122, 24.3615, 43.6943)
Luminance	0.2436 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F91AE #AE5C3F

analogous

#3FAE94 #3F91AE #3F5AAE

triadic

#3F91AE #AE3F91 #91AE3F

tetradic

#3F91AE #943FAE #AE5C3F #5AAE3F

square

#3F91AE #943FAE #AE5C3F #5AAE3F

split-complementary

#3F91AE #AE3F5A #AE943F

monochromatic

#1E4654 #2F6C81 #3F91AE #64ADC7 #90C5D7

Accessibility & contrast

On white

3.58

#3F91AE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.87

#3F91AE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F91AE

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F91AE	#FFFFFF	#000000	##000000
##3F91AE	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)

#818EB0

Deuteranopia (green-blind)

#7182AE

Tritanopia (blue-blind)

#009A9A

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3f91ae;
/* rgb */ color: rgb(63, 145, 174);
/* oklch */ color: oklch(61.8% 0.090 224.5);

Tailwind

colors: {
  custom: {
    50: '#80b1c6',
    500: '#3f91ae',
    950: '#000000',
  },
}

SCSS

$custom: #3f91ae;
$custom-light: #80b1c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f91ae",
  "rgb": {
    "r": 63,
    "g": 145,
    "b": 174
  },
  "hsl": {
    "h": 195.676,
    "s": 46.835,
    "l": 46.471
  },
  "oklch": {
    "l": 0.61809,
    "c": 0.09001,
    "h": 224.5
  },
  "luminance": 0.24364
}

Semantic roles & 50–950 ramp

primary

#3F91AE

secondary

#C29687

accent

#7451D6

background

#F8FAFC

surface

#EFF5F8

border

#CACFD1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3F91AE

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

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