#3F9EC4#3F9EC4

#3F9EC4 is a light, moderate cyan. Relative luminance 0.295; OKLCH L 65.9% C 0.104 H 228.1°. Best body text is #000000 at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#3F9EC4
RGB	rgb(63, 158, 196)
HSL	hsl(197, 53%, 51%)
HSV	hsv(197, 68%, 77%)
CMYK	cmyk(67.9%, 19.4%, 0%, 23.1%)
CIE-LAB	lab(61.21, -15.76, -27.71)
CIE-LCH	lch(61.21, 31.88, 240.38°)
OKLab	oklab(65.9% -0.0696 -0.0776)
OKLCH	oklch(65.9% 0.104 228.1)
XYZ	xyz(24.2366, 29.4934, 56.6293)
Luminance	0.2950 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9EC4 #C4653F

analogous

#3FC4A7 #3F9EC4 #3F5BC4

triadic

#3F9EC4 #C43F9E #9EC43F

tetradic

#3F9EC4 #A73FC4 #C4653F #5BC43F

square

#3F9EC4 #A73FC4 #C4653F #5BC43F

split-complementary

#3F9EC4 #C43F5B #C4A73F

monochromatic

#205468 #2E7997 #3F9EC4 #6EB6D2 #9DCDE1

Accessibility & contrast

On white

3.04

#3F9EC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.90

#3F9EC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9EC4

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9EC4	#FFFFFF	#000000	##000000
##3F9EC4	1.00	3.04	6.90	6.90
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.90	21.00	1.00	1.00
##000000	6.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A9BC6

Deuteranopia (green-blind)

#788EC4

Tritanopia (blue-blind)

#00A9AA

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #3f9ec4;
/* rgb */ color: rgb(63, 158, 196);
/* oklch */ color: oklch(65.9% 0.104 228.1);

Tailwind

colors: {
  custom: {
    50: '#83bad6',
    500: '#3f9ec4',
    950: '#000000',
  },
}

SCSS

$custom: #3f9ec4;
$custom-light: #83bad6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9ec4",
  "rgb": {
    "r": 63,
    "g": 158,
    "b": 196
  },
  "hsl": {
    "h": 197.143,
    "s": 52.988,
    "l": 50.784
  },
  "oklch": {
    "l": 0.65903,
    "c": 0.10422,
    "h": 228.1
  },
  "luminance": 0.29496
}

Semantic roles & 50–950 ramp

primary

#3F9EC4

secondary

#CDA392

accent

#754BDC

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3F9EC4

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

Preview Lab → · Contrast checker → · Palette generator →