#3B9DB2#3B9DB2

#3B9DB2 is a light, moderate cyan. Relative luminance 0.283; OKLCH L 64.8% C 0.094 H 214.6°. Best body text is #000000 at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#3B9DB2
RGB	rgb(59, 157, 178)
HSL	hsl(191, 50%, 46%)
HSV	hsv(191, 67%, 70%)
CMYK	cmyk(66.9%, 11.8%, 0%, 30.2%)
CIE-LAB	lab(60.12, -21.60, -19.28)
CIE-LCH	lch(60.12, 28.95, 221.74°)
OKLab	oklab(64.77% -0.0777 -0.0536)
OKLCH	oklch(64.77% 0.094 214.6)
XYZ	xyz(21.8931, 28.2557, 46.4109)
Luminance	0.2826 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B9DB2 #B2503B

analogous

#3BB28C #3B9DB2 #3B62B2

triadic

#3B9DB2 #B23B9D #9DB23B

tetradic

#3B9DB2 #8C3BB2 #B2503B #62B23B

square

#3B9DB2 #8C3BB2 #B2503B #62B23B

split-complementary

#3B9DB2 #B23B62 #B28C3B

monochromatic

#1D4C56 #2C7484 #3B9DB2 #60B8CA #8ECCDA

Accessibility & contrast

On white

3.16

#3B9DB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.65

#3B9DB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B9DB2

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B9DB2	#FFFFFF	#000000	##000000
##3B9DB2	1.00	3.16	6.65	6.65
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.65	21.00	1.00	1.00
##000000	6.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E98B3

Deuteranopia (green-blind)

#7D8BB2

Tritanopia (blue-blind)

#00A5A3

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #3b9db2;
/* rgb */ color: rgb(59, 157, 178);
/* oklch */ color: oklch(64.8% 0.094 214.6);

Tailwind

colors: {
  custom: {
    50: '#7fbac9',
    500: '#3b9db2',
    950: '#000000',
  },
}

SCSS

$custom: #3b9db2;
$custom-light: #7fbac9;
$custom-dark: #000000;

JSON

{
  "hex": "#3b9db2",
  "rgb": {
    "r": 59,
    "g": 157,
    "b": 178
  },
  "hsl": {
    "h": 190.588,
    "s": 50.211,
    "l": 46.471
  },
  "oklch": {
    "l": 0.64767,
    "c": 0.09444,
    "h": 214.6
  },
  "luminance": 0.28258
}

Semantic roles & 50–950 ramp

primary

#3B9DB2

secondary

#C49085

accent

#674EDA

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3B9DB2

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

Preview Lab → · Contrast checker → · Palette generator →