#3F8BCE#3F8BCE

#3F8BCE is a mid, vivid cyan. Relative luminance 0.240; OKLCH L 62.0% C 0.126 H 248.0°. Best body text is #000000 at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#3F8BCE
RGB	rgb(63, 139, 206)
HSL	hsl(208, 59%, 53%)
HSV	hsv(208, 69%, 81%)
CMYK	cmyk(69.4%, 32.5%, 0%, 19.2%)
CIE-LAB	lab(56.06, -1.69, -41.37)
CIE-LCH	lch(56.06, 41.40, 267.66°)
OKLab	oklab(61.96% -0.0472 -0.1172)
OKLCH	oklch(61.96% 0.126 248)
XYZ	xyz(22.4189, 23.9758, 61.8268)
Luminance	0.2398 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8BCE #CE823F

analogous

#3FCECA #3F8BCE #3F43CE

triadic

#3F8BCE #CE3F8B #8BCE3F

tetradic

#3F8BCE #CA3FCE #CE823F #43CE3F

square

#3F8BCE #CA3FCE #CE823F #43CE3F

split-complementary

#3F8BCE #CE3F43 #CECA3F

monochromatic

#1E4C75 #2A6CA6 #3F8BCE #70A8DA #A1C6E7

Accessibility & contrast

On white

3.62

#3F8BCE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.80

#3F8BCE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8BCE

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8BCE	#FFFFFF	#000000	##000000
##3F8BCE	1.00	3.62	5.80	5.80
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.80	21.00	1.00	1.00
##000000	5.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D8ED1

Deuteranopia (green-blind)

#5980CD

Tritanopia (blue-blind)

#009BA3

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3f8bce;
/* rgb */ color: rgb(63, 139, 206);
/* oklch */ color: oklch(62.0% 0.126 248.0);

Tailwind

colors: {
  custom: {
    50: '#84acdd',
    500: '#3f8bce',
    950: '#000000',
  },
}

SCSS

$custom: #3f8bce;
$custom-light: #84acdd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8bce",
  "rgb": {
    "r": 63,
    "g": 139,
    "b": 206
  },
  "hsl": {
    "h": 208.112,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.61963,
    "c": 0.12639,
    "h": 248
  },
  "luminance": 0.23978
}

Semantic roles & 50–950 ramp

primary

#3F8BCE

secondary

#D3B295

accent

#8F45E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F8BCE

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

Preview Lab → · Contrast checker → · Palette generator →