#3F9DCA#3F9DCA

#3F9DCA is a light, moderate cyan. Relative luminance 0.294; OKLCH L 65.9% C 0.110 H 232.8°. Best body text is #000000 at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#3F9DCA
RGB	rgb(63, 157, 202)
HSL	hsl(199, 57%, 52%)
HSV	hsv(199, 69%, 79%)
CMYK	cmyk(68.8%, 22.3%, 0%, 20.8%)
CIE-LAB	lab(61.16, -13.25, -31.15)
CIE-LCH	lch(61.16, 33.85, 246.96°)
OKLab	oklab(65.94% -0.0664 -0.0874)
OKLCH	oklch(65.94% 0.11 232.8)
XYZ	xyz(24.7633, 29.4322, 60.2416)
Luminance	0.2944 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9DCA #CA6C3F

analogous

#3FCAB1 #3F9DCA #3F58CA

triadic

#3F9DCA #CA3F9D #9DCA3F

tetradic

#3F9DCA #B13FCA #CA6C3F #58CA3F

square

#3F9DCA #B13FCA #CA6C3F #58CA3F

split-complementary

#3F9DCA #CA3F58 #CAB13F

monochromatic

#1F5670 #2C7AA0 #3F9DCA #6FB5D7 #9FCEE4

Accessibility & contrast

On white

3.05

#3F9DCA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.89

#3F9DCA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9DCA

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9DCA	#FFFFFF	#000000	##000000
##3F9DCA	1.00	3.05	6.89	6.89
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.89	21.00	1.00	1.00
##000000	6.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#879BCC

Deuteranopia (green-blind)

#748EC9

Tritanopia (blue-blind)

#00A9AC

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #3f9dca;
/* rgb */ color: rgb(63, 157, 202);
/* oklch */ color: oklch(65.9% 0.110 232.8);

Tailwind

colors: {
  custom: {
    50: '#84bada',
    500: '#3f9dca',
    950: '#000000',
  },
}

SCSS

$custom: #3f9dca;
$custom-light: #84bada;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9dca",
  "rgb": {
    "r": 63,
    "g": 157,
    "b": 202
  },
  "hsl": {
    "h": 199.424,
    "s": 56.735,
    "l": 51.961
  },
  "oklch": {
    "l": 0.65941,
    "c": 0.10982,
    "h": 232.8
  },
  "luminance": 0.29435
}

Semantic roles & 50–950 ramp

primary

#3F9DCA

secondary

#D1A894

accent

#7948E0

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3F9DCA

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

Preview Lab → · Contrast checker → · Palette generator →