#3B9FC8#3B9FC8

#3B9FC8 is a light, moderate cyan. Relative luminance 0.299; OKLCH L 66.2% C 0.109 H 229.2°. Best body text is #000000 at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#3B9FC8
RGB	rgb(59, 159, 200)
HSL	hsl(197, 56%, 51%)
HSV	hsv(197, 71%, 78%)
CMYK	cmyk(70.5%, 20.5%, 0%, 21.6%)
CIE-LAB	lab(61.56, -15.58, -29.42)
CIE-LCH	lch(61.56, 33.29, 242.10°)
OKLab	oklab(66.2% -0.0713 -0.0825)
OKLCH	oklch(66.2% 0.109 229.2)
XYZ	xyz(24.6229, 29.8934, 59.1047)
Luminance	0.2990 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B9FC8 #C8643B

analogous

#3BC8AA #3B9FC8 #3B58C8

triadic

#3B9FC8 #C83B9F #9FC83B

tetradic

#3B9FC8 #AA3BC8 #C8643B #58C83B

square

#3B9FC8 #AA3BC8 #C8643B #58C83B

split-complementary

#3B9FC8 #C83B58 #C8AA3B

monochromatic

#1E546B #2B7A9A #3B9FC8 #6BB6D5 #9BCEE3

Accessibility & contrast

On white

3.01

#3B9FC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.98

#3B9FC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B9FC8

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B9FC8	#FFFFFF	#000000	##000000
##3B9FC8	1.00	3.01	6.98	6.98
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.98	21.00	1.00	1.00
##000000	6.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A9DCA

Deuteranopia (green-blind)

#768FC7

Tritanopia (blue-blind)

#00AAAD

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #3b9fc8;
/* rgb */ color: rgb(59, 159, 200);
/* oklch */ color: oklch(66.2% 0.109 229.2);

Tailwind

colors: {
  custom: {
    50: '#82bbd8',
    500: '#3b9fc8',
    950: '#000000',
  },
}

SCSS

$custom: #3b9fc8;
$custom-light: #82bbd8;
$custom-dark: #000000;

JSON

{
  "hex": "#3b9fc8",
  "rgb": {
    "r": 59,
    "g": 159,
    "b": 200
  },
  "hsl": {
    "h": 197.447,
    "s": 56.175,
    "l": 50.784
  },
  "oklch": {
    "l": 0.66202,
    "c": 0.10905,
    "h": 229.2
  },
  "luminance": 0.29896
}

Semantic roles & 50–950 ramp

primary

#3B9FC8

secondary

#CFA290

accent

#7448DF

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3B9FC8

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

Preview Lab → · Contrast checker → · Palette generator →