#3F9FD2#3F9FD2

#3F9FD2 is a light, moderate cyan. Relative luminance 0.305; OKLCH L 66.8% C 0.116 H 235.7°. Best body text is #000000 at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#3F9FD2
RGB	rgb(63, 159, 210)
HSL	hsl(201, 62%, 54%)
HSV	hsv(201, 70%, 82%)
CMYK	cmyk(70%, 24.3%, 0%, 17.6%)
CIE-LAB	lab(62.09, -11.69, -34.18)
CIE-LCH	lch(62.09, 36.12, 251.12°)
OKLab	oklab(66.79% -0.0657 -0.0962)
OKLCH	oklch(66.79% 0.116 235.7)
XYZ	xyz(26.0763, 30.5033, 65.4737)
Luminance	0.3051 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9FD2 #D2723F

analogous

#3FD2BB #3F9FD2 #3F55D2

triadic

#3F9FD2 #D23F9F #9FD23F

tetradic

#3F9FD2 #BB3FD2 #D2723F #55D23F

square

#3F9FD2 #BB3FD2 #D2723F #55D23F

split-complementary

#3F9FD2 #D23F55 #D2BB3F

monochromatic

#1D5A7A #287EAC #3F9FD2 #71B8DE #A2D1E9

Accessibility & contrast

On white

2.96

#3F9FD2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.10

#3F9FD2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3F9FD2

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9FD2	#FFFFFF	#000000	##000000
##3F9FD2	1.00	2.96	7.10	7.10
#FFFFFF	2.96	1.00	21.00	21.00
#000000	7.10	21.00	1.00	1.00
##000000	7.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#879ED4

Deuteranopia (green-blind)

#7290D1

Tritanopia (blue-blind)

#00ACB0

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #3f9fd2;
/* rgb */ color: rgb(63, 159, 210);
/* oklch */ color: oklch(66.8% 0.116 235.7);

Tailwind

colors: {
  custom: {
    50: '#85bbe0',
    500: '#3f9fd2',
    950: '#000000',
  },
}

SCSS

$custom: #3f9fd2;
$custom-light: #85bbe0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9fd2",
  "rgb": {
    "r": 63,
    "g": 159,
    "b": 210
  },
  "hsl": {
    "h": 200.816,
    "s": 62.025,
    "l": 53.529
  },
  "oklch": {
    "l": 0.66788,
    "c": 0.11645,
    "h": 235.7
  },
  "luminance": 0.30506
}

Semantic roles & 50–950 ramp

primary

#3F9FD2

secondary

#D6AD97

accent

#7B43E5

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3F9FD2

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

Preview Lab → · Contrast checker → · Palette generator →