#3F8AC9#3F8AC9

#3F8AC9 is a mid, vivid cyan. Relative luminance 0.235; OKLCH L 61.5% C 0.121 H 246.8°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#3F8AC9
RGB	rgb(63, 138, 201)
HSL	hsl(207, 56%, 52%)
HSV	hsv(207, 69%, 79%)
CMYK	cmyk(68.7%, 31.3%, 0%, 21.2%)
CIE-LAB	lab(55.53, -2.84, -39.38)
CIE-LCH	lch(55.53, 39.48, 265.88°)
OKLab	oklab(61.47% -0.0477 -0.1114)
OKLCH	oklch(61.47% 0.121 246.8)
XYZ	xyz(21.6770, 23.4485, 58.6306)
Luminance	0.2345 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8AC9 #C97E3F

analogous

#3FC9C3 #3F8AC9 #3F45C9

triadic

#3F8AC9 #C93F8A #8AC93F

tetradic

#3F8AC9 #C33FC9 #C97E3F #45C93F

square

#3F8AC9 #C33FC9 #C97E3F #45C93F

split-complementary

#3F8AC9 #C93F45 #C9C33F

monochromatic

#1F4A6F #2D6A9E #3F8AC9 #6FA7D6 #9FC4E4

Accessibility & contrast

On white

3.69

#3F8AC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.69

#3F8AC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8AC9

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8AC9	#FFFFFF	#000000	##000000
##3F8AC9	1.00	3.69	5.69	5.69
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.69	21.00	1.00	1.00
##000000	5.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E8CCC

Deuteranopia (green-blind)

#5B7FC8

Tritanopia (blue-blind)

#0099A0

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #3f8ac9;
/* rgb */ color: rgb(63, 138, 201);
/* oklch */ color: oklch(61.5% 0.121 246.8);

Tailwind

colors: {
  custom: {
    50: '#83abd9',
    500: '#3f8ac9',
    950: '#000000',
  },
}

SCSS

$custom: #3f8ac9;
$custom-light: #83abd9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8ac9",
  "rgb": {
    "r": 63,
    "g": 138,
    "b": 201
  },
  "hsl": {
    "h": 207.391,
    "s": 56.098,
    "l": 51.765
  },
  "oklch": {
    "l": 0.61465,
    "c": 0.12123,
    "h": 246.8
  },
  "luminance": 0.23451
}

Semantic roles & 50–950 ramp

primary

#3F8AC9

secondary

#D0AF94

accent

#8D48DF

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #3F8AC9

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

Preview Lab → · Contrast checker → · Palette generator →