#3F9ECF#3F9ECF

#3F9ECF is a light, moderate cyan. Relative luminance 0.300; OKLCH L 66.4% C 0.114 H 234.8°. Best body text is #000000 at 7.00:1 contrast (WCAG AA passes).

Color values

HEX	#3F9ECF
RGB	rgb(63, 158, 207)
HSL	hsl(200, 60%, 53%)
HSV	hsv(200, 70%, 81%)
CMYK	cmyk(69.6%, 23.7%, 0%, 18.8%)
CIE-LAB	lab(61.67, -12.14, -33.16)
CIE-LCH	lch(61.67, 35.31, 249.90°)
OKLab	oklab(66.41% -0.0657 -0.0932)
OKLCH	oklch(66.41% 0.114 234.8)
XYZ	xyz(25.5348, 30.0126, 63.4667)
Luminance	0.3001 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9ECF #CF703F

analogous

#3FCFB8 #3F9ECF #3F56CF

triadic

#3F9ECF #CF3F9E #9ECF3F

tetradic

#3F9ECF #B83FCF #CF703F #56CF3F

square

#3F9ECF #B83FCF #CF703F #56CF3F

split-complementary

#3F9ECF #CF3F56 #CFB83F

monochromatic

#1E5876 #2A7CA7 #3F9ECF #70B7DB #A1CFE7

Accessibility & contrast

On white

3.00

#3F9ECF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

7.00

#3F9ECF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3F9ECF

7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9ECF	#FFFFFF	#000000	##000000
##3F9ECF	1.00	3.00	7.00	7.00
#FFFFFF	3.00	1.00	21.00	21.00
#000000	7.00	21.00	1.00	1.00
##000000	7.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#869DD1

Deuteranopia (green-blind)

#738FCE

Tritanopia (blue-blind)

#00ABAF

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #3f9ecf;
/* rgb */ color: rgb(63, 158, 207);
/* oklch */ color: oklch(66.4% 0.114 234.8);

Tailwind

colors: {
  custom: {
    50: '#85bade',
    500: '#3f9ecf',
    950: '#000000',
  },
}

SCSS

$custom: #3f9ecf;
$custom-light: #85bade;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9ecf",
  "rgb": {
    "r": 63,
    "g": 158,
    "b": 207
  },
  "hsl": {
    "h": 200.417,
    "s": 60,
    "l": 52.941
  },
  "oklch": {
    "l": 0.66411,
    "c": 0.11406,
    "h": 234.8
  },
  "luminance": 0.30015
}

Semantic roles & 50–950 ramp

primary

#3F9ECF

secondary

#D4AB96

accent

#7B45E3

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3F9ECF

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

Preview Lab → · Contrast checker → · Palette generator →