#3B8BBC#3B8BBC

#3B8BBC is a mid, moderate cyan. Relative luminance 0.230; OKLCH L 60.9% C 0.107 H 239.0°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#3B8BBC
RGB	rgb(59, 139, 188)
HSL	hsl(203, 52%, 48%)
HSV	hsv(203, 69%, 74%)
CMYK	cmyk(68.6%, 26.1%, 0%, 26.3%)
CIE-LAB	lab(55.10, -8.51, -32.69)
CIE-LCH	lch(55.10, 33.78, 255.40°)
OKLab	oklab(60.89% -0.0553 -0.0921)
OKLCH	oklch(60.89% 0.107 239)
XYZ	xyz(20.1098, 23.0237, 50.9514)
Luminance	0.2303 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B8BBC #BC6C3B

analogous

#3BBCAC #3B8BBC #3B4ABC

triadic

#3B8BBC #BC3B8B #8BBC3B

tetradic

#3B8BBC #AC3BBC #BC6C3B #4ABC3B

square

#3B8BBC #AC3BBC #BC6C3B #4ABC3B

split-complementary

#3B8BBC #BC3B4A #BCAC3B

monochromatic

#1E465F #2C698D #3B8BBC #65A7CF #94C2DD

Accessibility & contrast

On white

3.75

#3B8BBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.61

#3B8BBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B8BBC

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B8BBC	#FFFFFF	#000000	##000000
##3B8BBC	1.00	3.75	5.61	5.61
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.61	21.00	1.00	1.00
##000000	5.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#748BBE

Deuteranopia (green-blind)

#637EBB

Tritanopia (blue-blind)

#00979C

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #3b8bbc;
/* rgb */ color: rgb(59, 139, 188);
/* oklch */ color: oklch(60.9% 0.107 239.0);

Tailwind

colors: {
  custom: {
    50: '#80acd0',
    500: '#3b8bbc',
    950: '#000000',
  },
}

SCSS

$custom: #3b8bbc;
$custom-light: #80acd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b8bbc",
  "rgb": {
    "r": 59,
    "g": 139,
    "b": 188
  },
  "hsl": {
    "h": 202.791,
    "s": 52.227,
    "l": 48.431
  },
  "oklch": {
    "l": 0.60888,
    "c": 0.10741,
    "h": 239
  },
  "luminance": 0.23026
}

Semantic roles & 50–950 ramp

primary

#3B8BBC

secondary

#C9A28A

accent

#834CDC

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3B8BBC

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

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