#3B8BB3#3B8BB3

#3B8BB3 is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.5% C 0.098 H 233.5°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#3B8BB3
RGB	rgb(59, 139, 179)
HSL	hsl(200, 50%, 47%)
HSV	hsv(200, 67%, 70%)
CMYK	cmyk(67%, 22.3%, 0%, 29.8%)
CIE-LAB	lab(54.71, -11.55, -28.16)
CIE-LCH	lch(54.71, 30.44, 247.69°)
OKLab	oklab(60.45% -0.0584 -0.079)
OKLCH	oklch(60.45% 0.098 233.5)
XYZ	xyz(19.1697, 22.6477, 46.0002)
Luminance	0.2265 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B8BB3 #B3633B

analogous

#3BB39F #3B8BB3 #3B4FB3

triadic

#3B8BB3 #B33B8B #8BB33B

tetradic

#3B8BB3 #9F3BB3 #B3633B #4FB33B

square

#3B8BB3 #9F3BB3 #B3633B #4FB33B

split-complementary

#3B8BB3 #B33B4F #B39F3B

monochromatic

#1D4457 #2C6785 #3B8BB3 #60A7CB #8EC1DA

Accessibility & contrast

On white

3.80

#3B8BB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#3B8BB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B8BB3

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B8BB3	#FFFFFF	#000000	##000000
##3B8BB3	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#778AB5

Deuteranopia (green-blind)

#677EB2

Tritanopia (blue-blind)

#009698

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3b8bb3;
/* rgb */ color: rgb(59, 139, 179);
/* oklch */ color: oklch(60.5% 0.098 233.5);

Tailwind

colors: {
  custom: {
    50: '#7eacca',
    500: '#3b8bb3',
    950: '#000000',
  },
}

SCSS

$custom: #3b8bb3;
$custom-light: #7eacca;
$custom-dark: #000000;

JSON

{
  "hex": "#3b8bb3",
  "rgb": {
    "r": 59,
    "g": 139,
    "b": 179
  },
  "hsl": {
    "h": 200,
    "s": 50.42,
    "l": 46.667
  },
  "oklch": {
    "l": 0.60451,
    "c": 0.09826,
    "h": 233.5
  },
  "luminance": 0.2265
}

Semantic roles & 50–950 ramp

primary

#3B8BB3

secondary

#C59A85

accent

#7D4EDA

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3B8BB3

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

Preview Lab → · Contrast checker → · Palette generator →