#3F97D9#3F97D9

#3F97D9 is a light, vivid cyan. Relative luminance 0.282; OKLCH L 65.3% C 0.129 H 244.5°. Best body text is #000000 at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#3F97D9
RGB	rgb(63, 151, 217)
HSL	hsl(206, 67%, 55%)
HSV	hsv(206, 71%, 85%)
CMYK	cmyk(71%, 30.4%, 0%, 14.9%)
CIE-LAB	lab(60.07, -4.82, -41.24)
CIE-LCH	lch(60.07, 41.52, 263.34°)
OKLab	oklab(65.29% -0.0556 -0.1167)
OKLCH	oklch(65.29% 0.129 244.5)
XYZ	xyz(25.6361, 28.1969, 69.7236)
Luminance	0.2820 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F97D9 #D9813F

analogous

#3FD9CE #3F97D9 #3F4AD9

triadic

#3F97D9 #D93F97 #97D93F

tetradic

#3F97D9 #CE3FD9 #D9813F #4AD93F

square

#3F97D9 #CE3FD9 #D9813F #4AD93F

split-complementary

#3F97D9 #D93F4A #D9CE3F

monochromatic

#1A5684 #2478B7 #3F97D9 #72B3E3 #A5CEED

Accessibility & contrast

On white

3.16

#3F97D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.64

#3F97D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F97D9

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F97D9	#FFFFFF	#000000	##000000
##3F97D9	1.00	3.16	6.64	6.64
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.64	21.00	1.00	1.00
##000000	6.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7999DC

Deuteranopia (green-blind)

#648AD8

Tritanopia (blue-blind)

#00A7AE

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #3f97d9;
/* rgb */ color: rgb(63, 151, 217);
/* oklch */ color: oklch(65.3% 0.129 244.5);

Tailwind

colors: {
  custom: {
    50: '#86b5e5',
    500: '#3f97d9',
    950: '#000000',
  },
}

SCSS

$custom: #3f97d9;
$custom-light: #86b5e5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f97d9",
  "rgb": {
    "r": 63,
    "g": 151,
    "b": 217
  },
  "hsl": {
    "h": 205.714,
    "s": 66.957,
    "l": 54.902
  },
  "oklch": {
    "l": 0.6529,
    "c": 0.1293,
    "h": 244.5
  },
  "luminance": 0.282
}

Semantic roles & 50–950 ramp

primary

#3F97D9

secondary

#DAB59A

accent

#883EEA

background

#F8FBFE

surface

#F0F6FC

border

#CBD0D5

text

#0D1115

muted

#7D8084

Preview Lab

Preview with #3F97D9

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

Preview Lab → · Contrast checker → · Palette generator →