#3F9DC5#3F9DC5

#3F9DC5 is a light, moderate cyan. Relative luminance 0.292; OKLCH L 65.7% C 0.105 H 229.7°. Best body text is #000000 at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#3F9DC5
RGB	rgb(63, 157, 197)
HSL	hsl(198, 54%, 51%)
HSV	hsv(198, 68%, 77%)
CMYK	cmyk(68%, 20.3%, 0%, 22.7%)
CIE-LAB	lab(60.96, -14.89, -28.67)
CIE-LCH	lch(60.96, 32.30, 242.55°)
OKLab	oklab(65.71% -0.0682 -0.0803)
OKLCH	oklch(65.71% 0.105 229.7)
XYZ	xyz(24.1809, 29.1993, 57.1741)
Luminance	0.2920 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9DC5 #C5673F

analogous

#3FC5AA #3F9DC5 #3F5AC5

triadic

#3F9DC5 #C53F9D #9DC53F

tetradic

#3F9DC5 #AA3FC5 #C5673F #5AC53F

square

#3F9DC5 #AA3FC5 #C5673F #5AC53F

split-complementary

#3F9DC5 #C53F5A #C5AA3F

monochromatic

#20546A #2E7999 #3F9DC5 #6EB5D3 #9DCDE1

Accessibility & contrast

On white

3.07

#3F9DC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.84

#3F9DC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9DC5

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9DC5	#FFFFFF	#000000	##000000
##3F9DC5	1.00	3.07	6.84	6.84
#FFFFFF	3.07	1.00	21.00	21.00
#000000	6.84	21.00	1.00	1.00
##000000	6.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#889BC7

Deuteranopia (green-blind)

#768DC4

Tritanopia (blue-blind)

#00A8AA

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #3f9dc5;
/* rgb */ color: rgb(63, 157, 197);
/* oklch */ color: oklch(65.7% 0.105 229.7);

Tailwind

colors: {
  custom: {
    50: '#83bad6',
    500: '#3f9dc5',
    950: '#000000',
  },
}

SCSS

$custom: #3f9dc5;
$custom-light: #83bad6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9dc5",
  "rgb": {
    "r": 63,
    "g": 157,
    "b": 197
  },
  "hsl": {
    "h": 197.91,
    "s": 53.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.65711,
    "c": 0.10538,
    "h": 229.7
  },
  "luminance": 0.29202
}

Semantic roles & 50–950 ramp

primary

#3F9DC5

secondary

#CEA492

accent

#764BDD

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3F9DC5

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

Preview Lab → · Contrast checker → · Palette generator →