#3F8ACC#3F8ACC

#3F8ACC is a mid, vivid cyan. Relative luminance 0.236; OKLCH L 61.6% C 0.125 H 248.0°. Best body text is #000000 at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#3F8ACC
RGB	rgb(63, 138, 204)
HSL	hsl(208, 58%, 52%)
HSV	hsv(208, 69%, 80%)
CMYK	cmyk(69.1%, 32.4%, 0%, 20%)
CIE-LAB	lab(55.68, -1.80, -40.85)
CIE-LCH	lch(55.68, 40.89, 267.48°)
OKLab	oklab(61.63% -0.0468 -0.1157)
OKLCH	oklch(61.63% 0.125 248)
XYZ	xyz(22.0334, 23.5910, 60.5074)
Luminance	0.2359 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8ACC #CC813F

analogous

#3FCCC8 #3F8ACC #3F44CC

triadic

#3F8ACC #CC3F8A #8ACC3F

tetradic

#3F8ACC #C83FCC #CC813F #44CC3F

square

#3F8ACC #C83FCC #CC813F #44CC3F

split-complementary

#3F8ACC #CC3F44 #CCC83F

monochromatic

#1E4B72 #2B6BA3 #3F8ACC #6FA7D9 #A0C5E6

Accessibility & contrast

On white

3.67

#3F8ACC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.72

#3F8ACC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8ACC

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8ACC	#FFFFFF	#000000	##000000
##3F8ACC	1.00	3.67	5.72	5.72
#FFFFFF	3.67	1.00	21.00	21.00
#000000	5.72	21.00	1.00	1.00
##000000	5.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C8DCF

Deuteranopia (green-blind)

#597FCB

Tritanopia (blue-blind)

#009AA2

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #3f8acc;
/* rgb */ color: rgb(63, 138, 204);
/* oklch */ color: oklch(61.6% 0.125 248.0);

Tailwind

colors: {
  custom: {
    50: '#84abdc',
    500: '#3f8acc',
    950: '#000000',
  },
}

SCSS

$custom: #3f8acc;
$custom-light: #84abdc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8acc",
  "rgb": {
    "r": 63,
    "g": 138,
    "b": 204
  },
  "hsl": {
    "h": 208.085,
    "s": 58.025,
    "l": 52.353
  },
  "oklch": {
    "l": 0.61627,
    "c": 0.12485,
    "h": 248
  },
  "luminance": 0.23593
}

Semantic roles & 50–950 ramp

primary

#3F8ACC

secondary

#D2B195

accent

#8F47E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F8ACC

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

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