#3F9ECD#3F9ECD

#3F9ECD is a light, moderate cyan. Relative luminance 0.299; OKLCH L 66.3% C 0.112 H 233.7°. Best body text is #000000 at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#3F9ECD
RGB	rgb(63, 158, 205)
HSL	hsl(200, 59%, 53%)
HSV	hsv(200, 69%, 80%)
CMYK	cmyk(69.3%, 22.9%, 0%, 19.6%)
CIE-LAB	lab(61.58, -12.80, -32.18)
CIE-LCH	lch(61.58, 34.63, 248.31°)
OKLab	oklab(66.32% -0.0664 -0.0904)
OKLCH	oklch(66.32% 0.112 233.7)
XYZ	xyz(25.2919, 29.9155, 62.1871)
Luminance	0.2992 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9ECD #CD6E3F

analogous

#3FCDB5 #3F9ECD #3F57CD

triadic

#3F9ECD #CD3F9E #9ECD3F

tetradic

#3F9ECD #B53FCD #CD6E3F #57CD3F

square

#3F9ECD #B53FCD #CD6E3F #57CD3F

split-complementary

#3F9ECD #CD3F57 #CDB53F

monochromatic

#1E5774 #2B7CA4 #3F9ECD #70B7DA #A0CFE6

Accessibility & contrast

On white

3.01

#3F9ECD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.98

#3F9ECD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9ECD

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9ECD	#FFFFFF	#000000	##000000
##3F9ECD	1.00	3.01	6.98	6.98
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.98	21.00	1.00	1.00
##000000	6.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#879DCF

Deuteranopia (green-blind)

#748FCC

Tritanopia (blue-blind)

#00AAAE

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #3f9ecd;
/* rgb */ color: rgb(63, 158, 205);
/* oklch */ color: oklch(66.3% 0.112 233.7);

Tailwind

colors: {
  custom: {
    50: '#85badc',
    500: '#3f9ecd',
    950: '#000000',
  },
}

SCSS

$custom: #3f9ecd;
$custom-light: #85badc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9ecd",
  "rgb": {
    "r": 63,
    "g": 158,
    "b": 205
  },
  "hsl": {
    "h": 199.859,
    "s": 58.678,
    "l": 52.549
  },
  "oklch": {
    "l": 0.66316,
    "c": 0.11216,
    "h": 233.7
  },
  "luminance": 0.29918
}

Semantic roles & 50–950 ramp

primary

#3F9ECD

secondary

#D3A995

accent

#7A46E2

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3F9ECD

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

Preview Lab → · Contrast checker → · Palette generator →