#3F8DB7#3F8DB7

#3F8DB7 is a mid, moderate cyan. Relative luminance 0.235; OKLCH L 61.3% C 0.099 H 235.2°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#3F8DB7
RGB	rgb(63, 141, 183)
HSL	hsl(201, 49%, 48%)
HSV	hsv(201, 66%, 72%)
CMYK	cmyk(65.6%, 23%, 0%, 28.2%)
CIE-LAB	lab(55.61, -10.67, -29.04)
CIE-LCH	lch(55.61, 30.94, 249.83°)
OKLab	oklab(61.26% -0.0566 -0.0815)
OKLCH	oklch(61.26% 0.099 235.2)
XYZ	xyz(20.1187, 23.5233, 48.2707)
Luminance	0.2352 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8DB7 #B7693F

analogous

#3FB7A5 #3F8DB7 #3F51B7

triadic

#3F8DB7 #B73F8D #8DB73F

tetradic

#3F8DB7 #A53FB7 #B7693F #51B73F

square

#3F8DB7 #A53FB7 #B7693F #51B73F

split-complementary

#3F8DB7 #B73F51 #B7A53F

monochromatic

#20475C #2F6A89 #3F8DB7 #68A8CB #96C3DB

Accessibility & contrast

On white

3.68

#3F8DB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#3F8DB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8DB7

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8DB7	#FFFFFF	#000000	##000000
##3F8DB7	1.00	3.68	5.71	5.71
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.71	21.00	1.00	1.00
##000000	5.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798CB9

Deuteranopia (green-blind)

#6880B6

Tritanopia (blue-blind)

#00989B

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #3f8db7;
/* rgb */ color: rgb(63, 141, 183);
/* oklch */ color: oklch(61.3% 0.099 235.2);

Tailwind

colors: {
  custom: {
    50: '#81aecc',
    500: '#3f8db7',
    950: '#000000',
  },
}

SCSS

$custom: #3f8db7;
$custom-light: #81aecc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8db7",
  "rgb": {
    "r": 63,
    "g": 141,
    "b": 183
  },
  "hsl": {
    "h": 201,
    "s": 48.78,
    "l": 48.235
  },
  "oklch": {
    "l": 0.61259,
    "c": 0.09922,
    "h": 235.2
  },
  "luminance": 0.23525
}

Semantic roles & 50–950 ramp

primary

#3F8DB7

secondary

#C6A08B

accent

#7F4FD8

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3F8DB7

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

Preview Lab → · Contrast checker → · Palette generator →