#3FA4CB#3FA4CB

#3FA4CB is a light, moderate cyan. Relative luminance 0.319; OKLCH L 67.6% C 0.108 H 227.4°. Best body text is #000000 at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#3FA4CB
RGB	rgb(63, 164, 203)
HSL	hsl(197, 57%, 52%)
HSV	hsv(197, 69%, 80%)
CMYK	cmyk(69%, 19.2%, 0%, 20.4%)
CIE-LAB	lab(63.27, -16.71, -28.44)
CIE-LCH	lch(63.27, 32.98, 239.57°)
OKLab	oklab(67.64% -0.0731 -0.0796)
OKLCH	oklch(67.64% 0.108 227.4)
XYZ	xyz(26.1005, 31.9166, 61.2733)
Luminance	0.3192 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FA4CB #CB663F

analogous

#3FCBAC #3FA4CB #3F5ECB

triadic

#3FA4CB #CB3FA4 #A4CB3F

tetradic

#3FA4CB #AC3FCB #CB663F #5ECB3F

square

#3FA4CB #AC3FCB #CB663F #5ECB3F

split-complementary

#3FA4CB #CB3F5E #CBAC3F

monochromatic

#1F5A71 #2C80A1 #3FA4CB #6FBBD8 #9FD2E5

Accessibility & contrast

On white

2.84

#3FA4CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.38

#3FA4CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FA4CB

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FA4CB	#FFFFFF	#000000	##000000
##3FA4CB	1.00	2.84	7.38	7.38
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.38	21.00	1.00	1.00
##000000	7.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8FA1CD

Deuteranopia (green-blind)

#7C93CB

Tritanopia (blue-blind)

#00AFB1

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #3fa4cb;
/* rgb */ color: rgb(63, 164, 203);
/* oklch */ color: oklch(67.6% 0.108 227.4);

Tailwind

colors: {
  custom: {
    50: '#85bfdb',
    500: '#3fa4cb',
    950: '#000000',
  },
}

SCSS

$custom: #3fa4cb;
$custom-light: #85bfdb;
$custom-dark: #000000;

JSON

{
  "hex": "#3fa4cb",
  "rgb": {
    "r": 63,
    "g": 164,
    "b": 203
  },
  "hsl": {
    "h": 196.714,
    "s": 57.377,
    "l": 52.157
  },
  "oklch": {
    "l": 0.6764,
    "c": 0.10812,
    "h": 227.4
  },
  "luminance": 0.31919
}

Semantic roles & 50–950 ramp

primary

#3FA4CB

secondary

#D1A594

accent

#7247E1

background

#F8FBFD

surface

#F0F7FA

border

#CBD0D3

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #3FA4CB

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

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