#3F9ECA#3F9ECA

#3F9ECA is a light, moderate cyan. Relative luminance 0.298; OKLCH L 66.2% C 0.109 H 231.9°. Best body text is #000000 at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#3F9ECA
RGB	rgb(63, 158, 202)
HSL	hsl(199, 57%, 52%)
HSV	hsv(199, 69%, 79%)
CMYK	cmyk(68.8%, 21.8%, 0%, 20.8%)
CIE-LAB	lab(61.46, -13.79, -30.69)
CIE-LCH	lch(61.46, 33.65, 245.80°)
OKLab	oklab(66.18% -0.0674 -0.0861)
OKLCH	oklch(66.18% 0.109 231.9)
XYZ	xyz(24.9332, 29.7720, 60.2982)
Luminance	0.2978 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9ECA #CA6B3F

analogous

#3FCAB1 #3F9ECA #3F59CA

triadic

#3F9ECA #CA3F9E #9ECA3F

tetradic

#3F9ECA #B13FCA #CA6B3F #59CA3F

square

#3F9ECA #B13FCA #CA6B3F #59CA3F

split-complementary

#3F9ECA #CA3F59 #CAB13F

monochromatic

#1F5670 #2C7BA0 #3F9ECA #6FB6D7 #9FCEE4

Accessibility & contrast

On white

3.02

#3F9ECA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.96

#3F9ECA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9ECA

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9ECA	#FFFFFF	#000000	##000000
##3F9ECA	1.00	3.02	6.96	6.96
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.96	21.00	1.00	1.00
##000000	6.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#889CCC

Deuteranopia (green-blind)

#758EC9

Tritanopia (blue-blind)

#00AAAD

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #3f9eca;
/* rgb */ color: rgb(63, 158, 202);
/* oklch */ color: oklch(66.2% 0.109 231.9);

Tailwind

colors: {
  custom: {
    50: '#84bada',
    500: '#3f9eca',
    950: '#000000',
  },
}

SCSS

$custom: #3f9eca;
$custom-light: #84bada;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9eca",
  "rgb": {
    "r": 63,
    "g": 158,
    "b": 202
  },
  "hsl": {
    "h": 198.993,
    "s": 56.735,
    "l": 51.961
  },
  "oklch": {
    "l": 0.66176,
    "c": 0.10939,
    "h": 231.9
  },
  "luminance": 0.29775
}

Semantic roles & 50–950 ramp

primary

#3F9ECA

secondary

#D1A794

accent

#7848E0

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3F9ECA

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

Preview Lab → · Contrast checker → · Palette generator →