#3B9DCD#3B9DCD

#3B9DCD is a light, moderate cyan. Relative luminance 0.295; OKLCH L 66.0% C 0.114 H 233.8°. Best body text is #000000 at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#3B9DCD
RGB	rgb(59, 157, 205)
HSL	hsl(200, 59%, 52%)
HSV	hsv(200, 71%, 80%)
CMYK	cmyk(71.2%, 23.4%, 0%, 19.6%)
CIE-LAB	lab(61.18, -12.83, -32.81)
CIE-LCH	lch(61.18, 35.23, 248.65°)
OKLab	oklab(65.96% -0.0676 -0.0923)
OKLCH	oklch(65.96% 0.114 233.8)
XYZ	xyz(24.8757, 29.4487, 62.1189)
Luminance	0.2945 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B9DCD #CD6B3B

analogous

#3BCDB4 #3B9DCD #3B54CD

triadic

#3B9DCD #CD3B9D #9DCD3B

tetradic

#3B9DCD #B43BCD #CD6B3B #54CD3B

square

#3B9DCD #B43BCD #CD6B3B #54CD3B

split-complementary

#3B9DCD #CD3B54 #CDB43B

monochromatic

#1D5571 #297AA2 #3B9DCD #6CB5D9 #9DCEE6

Accessibility & contrast

On white

3.05

#3B9DCD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.89

#3B9DCD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B9DCD

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B9DCD	#FFFFFF	#000000	##000000
##3B9DCD	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)

#869CCF

Deuteranopia (green-blind)

#728DCC

Tritanopia (blue-blind)

#00AAAD

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #3b9dcd;
/* rgb */ color: rgb(59, 157, 205);
/* oklch */ color: oklch(66.0% 0.114 233.8);

Tailwind

colors: {
  custom: {
    50: '#83b9dc',
    500: '#3b9dcd',
    950: '#000000',
  },
}

SCSS

$custom: #3b9dcd;
$custom-light: #83b9dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3b9dcd",
  "rgb": {
    "r": 59,
    "g": 157,
    "b": 205
  },
  "hsl": {
    "h": 199.726,
    "s": 59.35,
    "l": 51.765
  },
  "oklch": {
    "l": 0.65962,
    "c": 0.11437,
    "h": 233.8
  },
  "luminance": 0.29452
}

Semantic roles & 50–950 ramp

primary

#3B9DCD

secondary

#D2A792

accent

#7945E3

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3B9DCD

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

Preview Lab → · Contrast checker → · Palette generator →