#3F8AC8#3F8AC8

#3F8AC8 is a mid, vivid cyan. Relative luminance 0.234; OKLCH L 61.4% C 0.120 H 246.4°. Best body text is #000000 at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#3F8AC8
RGB	rgb(63, 138, 200)
HSL	hsl(207, 55%, 52%)
HSV	hsv(207, 69%, 78%)
CMYK	cmyk(68.5%, 31%, 0%, 21.6%)
CIE-LAB	lab(55.48, -3.19, -38.89)
CIE-LCH	lch(55.48, 39.02, 265.32°)
OKLab	oklab(61.41% -0.048 -0.11)
OKLCH	oklch(61.41% 0.12 246.4)
XYZ	xyz(21.5598, 23.4016, 58.0131)
Luminance	0.2340 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8AC8 #C87D3F

analogous

#3FC8C2 #3F8AC8 #3F46C8

triadic

#3F8AC8 #C83F8A #8AC83F

tetradic

#3F8AC8 #C23FC8 #C87D3F #46C83F

square

#3F8AC8 #C23FC8 #C87D3F #46C83F

split-complementary

#3F8AC8 #C83F46 #C8C23F

monochromatic

#1F4A6D #2D6A9D #3F8AC8 #6FA7D6 #9EC4E3

Accessibility & contrast

On white

3.70

#3F8AC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.68

#3F8AC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8AC8

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8AC8	#FFFFFF	#000000	##000000
##3F8AC8	1.00	3.70	5.68	5.68
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.68	21.00	1.00	1.00
##000000	5.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E8CCB

Deuteranopia (green-blind)

#5B7FC7

Tritanopia (blue-blind)

#0099A0

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #3f8ac8;
/* rgb */ color: rgb(63, 138, 200);
/* oklch */ color: oklch(61.4% 0.120 246.4);

Tailwind

colors: {
  custom: {
    50: '#83abd9',
    500: '#3f8ac8',
    950: '#000000',
  },
}

SCSS

$custom: #3f8ac8;
$custom-light: #83abd9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8ac8",
  "rgb": {
    "r": 63,
    "g": 138,
    "b": 200
  },
  "hsl": {
    "h": 207.153,
    "s": 55.466,
    "l": 51.569
  },
  "oklch": {
    "l": 0.61412,
    "c": 0.12003,
    "h": 246.4
  },
  "luminance": 0.23404
}

Semantic roles & 50–950 ramp

primary

#3F8AC8

secondary

#D0AF93

accent

#8D49DF

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #3F8AC8

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

Preview Lab → · Contrast checker → · Palette generator →