#3F9CD2#3F9CD2

#3F9CD2 is a light, moderate cyan. Relative luminance 0.295; OKLCH L 66.1% C 0.118 H 237.9°. Best body text is #000000 at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#3F9CD2
RGB	rgb(63, 156, 210)
HSL	hsl(202, 62%, 54%)
HSV	hsv(202, 70%, 82%)
CMYK	cmyk(70%, 25.7%, 0%, 17.6%)
CIE-LAB	lab(61.21, -10.02, -35.55)
CIE-LCH	lch(61.21, 36.94, 254.25°)
OKLab	oklab(66.09% -0.0627 -0.1001)
OKLCH	oklch(66.09% 0.118 237.9)
XYZ	xyz(25.5667, 29.4840, 65.3038)
Luminance	0.2949 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9CD2 #D2753F

analogous

#3FD2BE #3F9CD2 #3F52D2

triadic

#3F9CD2 #D23F9C #9CD23F

tetradic

#3F9CD2 #BE3FD2 #D2753F #52D23F

square

#3F9CD2 #BE3FD2 #D2753F #52D23F

split-complementary

#3F9CD2 #D23F52 #D2BE3F

monochromatic

#1D587A #287BAC #3F9CD2 #71B6DE #A2CFE9

Accessibility & contrast

On white

3.04

#3F9CD2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.90

#3F9CD2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9CD2

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9CD2	#FFFFFF	#000000	##000000
##3F9CD2	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)

#839CD4

Deuteranopia (green-blind)

#6F8DD1

Tritanopia (blue-blind)

#00AAAE

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #3f9cd2;
/* rgb */ color: rgb(63, 156, 210);
/* oklch */ color: oklch(66.1% 0.118 237.9);

Tailwind

colors: {
  custom: {
    50: '#85b9e0',
    500: '#3f9cd2',
    950: '#000000',
  },
}

SCSS

$custom: #3f9cd2;
$custom-light: #85b9e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9cd2",
  "rgb": {
    "r": 63,
    "g": 156,
    "b": 210
  },
  "hsl": {
    "h": 202.041,
    "s": 62.025,
    "l": 53.529
  },
  "oklch": {
    "l": 0.66089,
    "c": 0.11816,
    "h": 237.9
  },
  "luminance": 0.29487
}

Semantic roles & 50–950 ramp

primary

#3F9CD2

secondary

#D6AE97

accent

#7E43E5

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3F9CD2

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

Preview Lab → · Contrast checker → · Palette generator →