#3F8FBA#3F8FBA

#3F8FBA is a mid, moderate cyan. Relative luminance 0.242; OKLCH L 61.9% C 0.101 H 235.3°. Best body text is #000000 at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#3F8FBA
RGB	rgb(63, 143, 186)
HSL	hsl(201, 49%, 49%)
HSV	hsv(201, 66%, 73%)
CMYK	cmyk(66.1%, 23.1%, 0%, 27.1%)
CIE-LAB	lab(56.33, -10.80, -29.62)
CIE-LCH	lch(56.33, 31.53, 249.97°)
OKLab	oklab(61.88% -0.0577 -0.0831)
OKLCH	oklch(61.88% 0.101 235.3)
XYZ	xyz(20.7318, 24.2447, 50.0319)
Luminance	0.2425 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8FBA #BA6A3F

analogous

#3FBAA8 #3F8FBA #3F51BA

triadic

#3F8FBA #BA3F8F #8FBA3F

tetradic

#3F8FBA #A83FBA #BA6A3F #51BA3F

square

#3F8FBA #A83FBA #BA6A3F #51BA3F

split-complementary

#3F8FBA #BA3F51 #BAA83F

monochromatic

#20495F #306C8C #3F8FBA #6AAACC #97C4DC

Accessibility & contrast

On white

3.59

#3F8FBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.85

#3F8FBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8FBA

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8FBA	#FFFFFF	#000000	##000000
##3F8FBA	1.00	3.59	5.85	5.85
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.85	21.00	1.00	1.00
##000000	5.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8EBC

Deuteranopia (green-blind)

#6A82B9

Tritanopia (blue-blind)

#009A9D

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3f8fba;
/* rgb */ color: rgb(63, 143, 186);
/* oklch */ color: oklch(61.9% 0.101 235.3);

Tailwind

colors: {
  custom: {
    50: '#81afcf',
    500: '#3f8fba',
    950: '#000000',
  },
}

SCSS

$custom: #3f8fba;
$custom-light: #81afcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8fba",
  "rgb": {
    "r": 63,
    "g": 143,
    "b": 186
  },
  "hsl": {
    "h": 200.976,
    "s": 49.398,
    "l": 48.824
  },
  "oklch": {
    "l": 0.61877,
    "c": 0.10118,
    "h": 235.3
  },
  "luminance": 0.24247
}

Semantic roles & 50–950 ramp

primary

#3F8FBA

secondary

#C8A28D

accent

#7F4FD9

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3F8FBA

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

Preview Lab → · Contrast checker → · Palette generator →