#3B9CCB#3B9CCB

#3B9CCB is a light, moderate cyan. Relative luminance 0.290; OKLCH L 65.6% C 0.113 H 233.5°. Best body text is #000000 at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#3B9CCB
RGB	rgb(59, 156, 203)
HSL	hsl(200, 58%, 51%)
HSV	hsv(200, 71%, 80%)
CMYK	cmyk(70.9%, 23.2%, 0%, 20.4%)
CIE-LAB	lab(60.80, -12.95, -32.29)
CIE-LCH	lch(60.80, 34.79, 248.15°)
OKLab	oklab(65.63% -0.0673 -0.0908)
OKLCH	oklch(65.63% 0.113 233.5)
XYZ	xyz(24.4673, 29.0158, 60.7994)
Luminance	0.2902 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B9CCB #CB6A3B

analogous

#3BCBB2 #3B9CCB #3B54CB

triadic

#3B9CCB #CB3B9C #9CCB3B

tetradic

#3B9CCB #B23BCB #CB6A3B #54CB3B

square

#3B9CCB #B23BCB #CB6A3B #54CB3B

split-complementary

#3B9CCB #CB3B54 #CBB23B

monochromatic

#1D546E #2A799F #3B9CCB #6BB4D8 #9CCDE5

Accessibility & contrast

On white

3.09

#3B9CCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.80

#3B9CCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B9CCB

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B9CCB	#FFFFFF	#000000	##000000
##3B9CCB	1.00	3.09	6.80	6.80
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.80	21.00	1.00	1.00
##000000	6.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#859BCD

Deuteranopia (green-blind)

#718CCA

Tritanopia (blue-blind)

#00A9AC

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #3b9ccb;
/* rgb */ color: rgb(59, 156, 203);
/* oklch */ color: oklch(65.6% 0.113 233.5);

Tailwind

colors: {
  custom: {
    50: '#83b9db',
    500: '#3b9ccb',
    950: '#000000',
  },
}

SCSS

$custom: #3b9ccb;
$custom-light: #83b9db;
$custom-dark: #000000;

JSON

{
  "hex": "#3b9ccb",
  "rgb": {
    "r": 59,
    "g": 156,
    "b": 203
  },
  "hsl": {
    "h": 199.583,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.65632,
    "c": 0.11297,
    "h": 233.5
  },
  "luminance": 0.29019
}

Semantic roles & 50–950 ramp

primary

#3B9CCB

secondary

#D1A691

accent

#7947E1

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3B9CCB

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

Preview Lab → · Contrast checker → · Palette generator →