#3F9EC5#3F9EC5

#3F9EC5 is a light, moderate cyan. Relative luminance 0.295; OKLCH L 65.9% C 0.105 H 228.8°. Best body text is #000000 at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#3F9EC5
RGB	rgb(63, 158, 197)
HSL	hsl(197, 54%, 51%)
HSV	hsv(197, 68%, 77%)
CMYK	cmyk(68%, 19.8%, 0%, 22.7%)
CIE-LAB	lab(61.25, -15.43, -28.21)
CIE-LCH	lch(61.25, 32.15, 241.32°)
OKLab	oklab(65.95% -0.0692 -0.079)
OKLCH	oklch(65.95% 0.105 228.8)
XYZ	xyz(24.3508, 29.5390, 57.2308)
Luminance	0.2954 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9EC5 #C5663F

analogous

#3FC5A9 #3F9EC5 #3F5BC5

triadic

#3F9EC5 #C53F9E #9EC53F

tetradic

#3F9EC5 #A93FC5 #C5663F #5BC53F

square

#3F9EC5 #A93FC5 #C5663F #5BC53F

split-complementary

#3F9EC5 #C53F5B #C5A93F

monochromatic

#20546A #2E7A99 #3F9EC5 #6EB6D3 #9DCDE1

Accessibility & contrast

On white

3.04

#3F9EC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.91

#3F9EC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9EC5

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9EC5	#FFFFFF	#000000	##000000
##3F9EC5	1.00	3.04	6.91	6.91
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.91	21.00	1.00	1.00
##000000	6.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A9BC7

Deuteranopia (green-blind)

#778EC4

Tritanopia (blue-blind)

#00A9AB

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #3f9ec5;
/* rgb */ color: rgb(63, 158, 197);
/* oklch */ color: oklch(65.9% 0.105 228.8);

Tailwind

colors: {
  custom: {
    50: '#83bad6',
    500: '#3f9ec5',
    950: '#000000',
  },
}

SCSS

$custom: #3f9ec5;
$custom-light: #83bad6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9ec5",
  "rgb": {
    "r": 63,
    "g": 158,
    "b": 197
  },
  "hsl": {
    "h": 197.463,
    "s": 53.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.65948,
    "c": 0.10505,
    "h": 228.8
  },
  "luminance": 0.29542
}

Semantic roles & 50–950 ramp

primary

#3F9EC5

secondary

#CEA392

accent

#754BDD

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3F9EC5

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

Preview Lab → · Contrast checker → · Palette generator →