#3B88BB#3B88BB

#3B88BB is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 60.1% C 0.108 H 241.0°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#3B88BB
RGB	rgb(59, 136, 187)
HSL	hsl(204, 52%, 48%)
HSV	hsv(204, 68%, 73%)
CMYK	cmyk(68.4%, 27.3%, 0%, 26.7%)
CIE-LAB	lab(54.16, -7.14, -33.59)
CIE-LCH	lch(54.16, 34.34, 258.00°)
OKLab	oklab(60.13% -0.0526 -0.0947)
OKLCH	oklch(60.13% 0.108 241)
XYZ	xyz(19.5740, 22.1239, 50.2428)
Luminance	0.2213 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B88BB #BB6E3B

analogous

#3BBBAE #3B88BB #3B48BB

triadic

#3B88BB #BB3B88 #88BB3B

tetradic

#3B88BB #AE3BBB #BB6E3B #48BB3B

square

#3B88BB #AE3BBB #BB6E3B #48BB3B

split-complementary

#3B88BB #BB3B48 #BBAE3B

monochromatic

#1E445E #2C668C #3B88BB #65A4CE #93C0DD

Accessibility & contrast

On white

3.87

#3B88BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#3B88BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B88BB

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B88BB	#FFFFFF	#000000	##000000
##3B88BB	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7188BD

Deuteranopia (green-blind)

#5F7CBA

Tritanopia (blue-blind)

#00959A

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3b88bb;
/* rgb */ color: rgb(59, 136, 187);
/* oklch */ color: oklch(60.1% 0.108 241.0);

Tailwind

colors: {
  custom: {
    50: '#7faacf',
    500: '#3b88bb',
    950: '#000000',
  },
}

SCSS

$custom: #3b88bb;
$custom-light: #7faacf;
$custom-dark: #000000;

JSON

{
  "hex": "#3b88bb",
  "rgb": {
    "r": 59,
    "g": 136,
    "b": 187
  },
  "hsl": {
    "h": 203.906,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.6013,
    "c": 0.1083,
    "h": 241
  },
  "luminance": 0.22126
}

Semantic roles & 50–950 ramp

primary

#3B88BB

secondary

#C8A38A

accent

#854CDB

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3B88BB

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

Preview Lab → · Contrast checker → · Palette generator →