#3FB9DC#3FB9DC

#3FB9DC is a light, moderate cyan. Relative luminance 0.409; OKLCH L 73.3% C 0.116 H 221.0°. Best body text is #000000 at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#3FB9DC
RGB	rgb(63, 185, 220)
HSL	hsl(193, 69%, 55%)
HSV	hsv(193, 71%, 86%)
CMYK	cmyk(71.4%, 15.9%, 0%, 13.7%)
CIE-LAB	lab(70.12, -22.24, -27.27)
CIE-LCH	lch(70.12, 35.19, 230.81°)
OKLab	oklab(73.34% -0.0876 -0.0762)
OKLCH	oklch(73.34% 0.116 221)
XYZ	xyz(32.3118, 40.9182, 73.8913)
Luminance	0.4092 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB9DC #DC623F

analogous

#3FDCB1 #3FB9DC #3F6ADC

triadic

#3FB9DC #DC3FB9 #B9DC3F

tetradic

#3FB9DC #B13FDC #DC623F #6ADC3F

square

#3FB9DC #B13FDC #DC623F #6ADC3F

split-complementary

#3FB9DC #DC3F6A #DCB13F

monochromatic

#196F88 #2299BC #3FB9DC #73CCE5 #A7DFEF

Accessibility & contrast

On white

2.29

#3FB9DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.18

#3FB9DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB9DC

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB9DC	#FFFFFF	#000000	##000000
##3FB9DC	1.00	2.29	9.18	9.18
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.18	21.00	1.00	1.00
##000000	9.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4B4DE

Deuteranopia (green-blind)

#8FA5DC

Tritanopia (blue-blind)

#00C4C4

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #3fb9dc;
/* rgb */ color: rgb(63, 185, 220);
/* oklch */ color: oklch(73.3% 0.116 221.0);

Tailwind

colors: {
  custom: {
    50: '#88cee7',
    500: '#3fb9dc',
    950: '#000000',
  },
}

SCSS

$custom: #3fb9dc;
$custom-light: #88cee7;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb9dc",
  "rgb": {
    "r": 63,
    "g": 185,
    "b": 220
  },
  "hsl": {
    "h": 193.376,
    "s": 69.163,
    "l": 55.49
  },
  "oklch": {
    "l": 0.73337,
    "c": 0.11609,
    "h": 221
  },
  "luminance": 0.40922
}

Semantic roles & 50–950 ramp

primary

#3FB9DC

secondary

#DCA99B

accent

#633CEC

background

#F9FCFE

surface

#F1F9FC

border

#CBD2D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #3FB9DC

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

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