#3FA5CB#3FA5CB

#3FA5CB is a light, moderate cyan. Relative luminance 0.323; OKLCH L 67.9% C 0.108 H 226.6°. Best body text is #000000 at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#3FA5CB
RGB	rgb(63, 165, 203)
HSL	hsl(196, 57%, 52%)
HSV	hsv(196, 69%, 80%)
CMYK	cmyk(69%, 18.7%, 0%, 20.4%)
CIE-LAB	lab(63.57, -17.24, -27.98)
CIE-LCH	lch(63.57, 32.87, 238.37°)
OKLab	oklab(67.88% -0.0741 -0.0783)
OKLCH	oklch(67.88% 0.108 226.6)
XYZ	xyz(26.2802, 32.2759, 61.3332)
Luminance	0.3228 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FA5CB #CB653F

analogous

#3FCBAB #3FA5CB #3F5FCB

triadic

#3FA5CB #CB3FA5 #A5CB3F

tetradic

#3FA5CB #AB3FCB #CB653F #5FCB3F

square

#3FA5CB #AB3FCB #CB653F #5FCB3F

split-complementary

#3FA5CB #CB3F5F #CBAB3F

monochromatic

#1F5B71 #2C81A1 #3FA5CB #6FBCD8 #9FD2E5

Accessibility & contrast

On white

2.82

#3FA5CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.46

#3FA5CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FA5CB

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FA5CB	#FFFFFF	#000000	##000000
##3FA5CB	1.00	2.82	7.46	7.46
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.46	21.00	1.00	1.00
##000000	7.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91A2CD

Deuteranopia (green-blind)

#7D94CB

Tritanopia (blue-blind)

#00B0B1

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #3fa5cb;
/* rgb */ color: rgb(63, 165, 203);
/* oklch */ color: oklch(67.9% 0.108 226.6);

Tailwind

colors: {
  custom: {
    50: '#85bfdb',
    500: '#3fa5cb',
    950: '#000000',
  },
}

SCSS

$custom: #3fa5cb;
$custom-light: #85bfdb;
$custom-dark: #000000;

JSON

{
  "hex": "#3fa5cb",
  "rgb": {
    "r": 63,
    "g": 165,
    "b": 203
  },
  "hsl": {
    "h": 196.286,
    "s": 57.377,
    "l": 52.157
  },
  "oklch": {
    "l": 0.67877,
    "c": 0.10785,
    "h": 226.6
  },
  "luminance": 0.32279
}

Semantic roles & 50–950 ramp

primary

#3FA5CB

secondary

#D1A594

accent

#7147E1

background

#F8FBFD

surface

#F0F7FA

border

#CBD0D3

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #3FA5CB

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

Preview Lab → · Contrast checker → · Palette generator →