#3B9BCF#3B9BCF

#3B9BCF is a light, moderate cyan. Relative luminance 0.289; OKLCH L 65.6% C 0.117 H 236.4°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#3B9BCF
RGB	rgb(59, 155, 207)
HSL	hsl(201, 61%, 52%)
HSV	hsv(201, 71%, 81%)
CMYK	cmyk(71.5%, 25.1%, 0%, 18.8%)
CIE-LAB	lab(60.67, -11.05, -34.72)
CIE-LCH	lch(60.67, 36.43, 252.35°)
OKLab	oklab(65.59% -0.0649 -0.0978)
OKLCH	oklch(65.59% 0.117 236.4)
XYZ	xyz(24.7830, 28.8747, 63.2866)
Luminance	0.2888 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B9BCF #CF6F3B

analogous

#3BCFB9 #3B9BCF #3B51CF

triadic

#3B9BCF #CF3B9B #9BCF3B

tetradic

#3B9BCF #B93BCF #CF6F3B #51CF3B

square

#3B9BCF #B93BCF #CF6F3B #51CF3B

split-complementary

#3B9BCF #CF3B51 #CFB93B

monochromatic

#1C5573 #2879A5 #3B9BCF #6CB4DB #9DCDE7

Accessibility & contrast

On white

3.10

#3B9BCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.78

#3B9BCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B9BCF

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B9BCF	#FFFFFF	#000000	##000000
##3B9BCF	1.00	3.10	6.78	6.78
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.78	21.00	1.00	1.00
##000000	6.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#829AD1

Deuteranopia (green-blind)

#6E8CCE

Tritanopia (blue-blind)

#00A8AD

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #3b9bcf;
/* rgb */ color: rgb(59, 155, 207);
/* oklch */ color: oklch(65.6% 0.117 236.4);

Tailwind

colors: {
  custom: {
    50: '#83b8de',
    500: '#3b9bcf',
    950: '#000000',
  },
}

SCSS

$custom: #3b9bcf;
$custom-light: #83b8de;
$custom-dark: #000000;

JSON

{
  "hex": "#3b9bcf",
  "rgb": {
    "r": 59,
    "g": 155,
    "b": 207
  },
  "hsl": {
    "h": 201.081,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.65589,
    "c": 0.11738,
    "h": 236.4
  },
  "luminance": 0.28877
}

Semantic roles & 50–950 ramp

primary

#3B9BCF

secondary

#D3A993

accent

#7C44E4

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3B9BCF

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

Preview Lab → · Contrast checker → · Palette generator →