#3F8DBE#3F8DBE

#3F8DBE is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.6% C 0.106 H 239.4°. Best body text is #000000 at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#3F8DBE
RGB	rgb(63, 141, 190)
HSL	hsl(203, 50%, 50%)
HSV	hsv(203, 67%, 75%)
CMYK	cmyk(66.8%, 25.8%, 0%, 25.5%)
CIE-LAB	lab(55.91, -8.33, -32.55)
CIE-LCH	lch(55.91, 33.60, 255.65°)
OKLab	oklab(61.6% -0.0542 -0.0916)
OKLCH	oklch(61.6% 0.106 239.4)
XYZ	xyz(20.8655, 23.8220, 52.2037)
Luminance	0.2382 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8DBE #BE703F

analogous

#3FBEB0 #3F8DBE #3F4DBE

triadic

#3F8DBE #BE3F8D #8DBE3F

tetradic

#3F8DBE #B03FBE #BE703F #4DBE3F

square

#3F8DBE #B03FBE #BE703F #4DBE3F

split-complementary

#3F8DBE #BE3F4D #BEB03F

monochromatic

#214962 #306B90 #3F8DBE #6CA8CE #9AC3DD

Accessibility & contrast

On white

3.64

#3F8DBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.76

#3F8DBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8DBE

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8DBE	#FFFFFF	#000000	##000000
##3F8DBE	1.00	3.64	5.76	5.76
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.76	21.00	1.00	1.00
##000000	5.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#768DC0

Deuteranopia (green-blind)

#6580BD

Tritanopia (blue-blind)

#00999E

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3f8dbe;
/* rgb */ color: rgb(63, 141, 190);
/* oklch */ color: oklch(61.6% 0.106 239.4);

Tailwind

colors: {
  custom: {
    50: '#82aed1',
    500: '#3f8dbe',
    950: '#000000',
  },
}

SCSS

$custom: #3f8dbe;
$custom-light: #82aed1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8dbe",
  "rgb": {
    "r": 63,
    "g": 141,
    "b": 190
  },
  "hsl": {
    "h": 203.15,
    "s": 50.198,
    "l": 49.608
  },
  "oklch": {
    "l": 0.61598,
    "c": 0.10645,
    "h": 239.4
  },
  "luminance": 0.23824
}

Semantic roles & 50–950 ramp

primary

#3F8DBE

secondary

#C9A68F

accent

#844EDA

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #3F8DBE

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

Preview Lab → · Contrast checker → · Palette generator →