#3F9FCD#3F9FCD

#3F9FCD is a light, moderate cyan. Relative luminance 0.303; OKLCH L 66.6% C 0.112 H 232.9°. Best body text is #000000 at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#3F9FCD
RGB	rgb(63, 159, 205)
HSL	hsl(199, 59%, 53%)
HSV	hsv(199, 69%, 80%)
CMYK	cmyk(69.3%, 22.4%, 0%, 19.6%)
CIE-LAB	lab(61.88, -13.35, -31.72)
CIE-LCH	lch(61.88, 34.41, 247.18°)
OKLab	oklab(66.55% -0.0674 -0.0891)
OKLCH	oklch(66.55% 0.112 232.9)
XYZ	xyz(25.4631, 30.2580, 62.2442)
Luminance	0.3026 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9FCD #CD6D3F

analogous

#3FCDB4 #3F9FCD #3F58CD

triadic

#3F9FCD #CD3F9F #9FCD3F

tetradic

#3F9FCD #B43FCD #CD6D3F #58CD3F

square

#3F9FCD #B43FCD #CD6D3F #58CD3F

split-complementary

#3F9FCD #CD3F58 #CDB43F

monochromatic

#1E5874 #2B7DA4 #3F9FCD #70B7DA #A0D0E6

Accessibility & contrast

On white

2.98

#3F9FCD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.05

#3F9FCD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3F9FCD

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9FCD	#FFFFFF	#000000	##000000
##3F9FCD	1.00	2.98	7.05	7.05
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.05	21.00	1.00	1.00
##000000	7.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#889DCF

Deuteranopia (green-blind)

#758FCC

Tritanopia (blue-blind)

#00ABAE

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #3f9fcd;
/* rgb */ color: rgb(63, 159, 205);
/* oklch */ color: oklch(66.6% 0.112 232.9);

Tailwind

colors: {
  custom: {
    50: '#85bbdc',
    500: '#3f9fcd',
    950: '#000000',
  },
}

SCSS

$custom: #3f9fcd;
$custom-light: #85bbdc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9fcd",
  "rgb": {
    "r": 63,
    "g": 159,
    "b": 205
  },
  "hsl": {
    "h": 199.437,
    "s": 58.678,
    "l": 52.549
  },
  "oklch": {
    "l": 0.66551,
    "c": 0.11169,
    "h": 232.9
  },
  "luminance": 0.30261
}

Semantic roles & 50–950 ramp

primary

#3F9FCD

secondary

#D3A995

accent

#7846E2

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3F9FCD

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

Preview Lab → · Contrast checker → · Palette generator →