#3B88BC#3B88BC

#3B88BC is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 60.2% C 0.109 H 241.5°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#3B88BC
RGB	rgb(59, 136, 188)
HSL	hsl(204, 52%, 48%)
HSV	hsv(204, 69%, 74%)
CMYK	cmyk(68.6%, 27.7%, 0%, 26.3%)
CIE-LAB	lab(54.20, -6.79, -34.09)
CIE-LCH	lch(54.20, 34.76, 258.73°)
OKLab	oklab(60.18% -0.0522 -0.0961)
OKLCH	oklch(60.18% 0.109 241.5)
XYZ	xyz(19.6814, 22.1669, 50.8086)
Luminance	0.2217 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B88BC #BC6F3B

analogous

#3BBCAF #3B88BC #3B47BC

triadic

#3B88BC #BC3B88 #88BC3B

tetradic

#3B88BC #AF3BBC #BC6F3B #47BC3B

square

#3B88BC #AF3BBC #BC6F3B #47BC3B

split-complementary

#3B88BC #BC3B47 #BCAF3B

monochromatic

#1E455F #2C668D #3B88BC #65A4CF #94C0DD

Accessibility & contrast

On white

3.86

#3B88BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#3B88BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B88BC

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B88BC	#FFFFFF	#000000	##000000
##3B88BC	1.00	3.86	5.43	5.43
#FFFFFF	3.86	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)

#7089BE

Deuteranopia (green-blind)

#5F7CBB

Tritanopia (blue-blind)

#00959A

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3b88bc;
/* rgb */ color: rgb(59, 136, 188);
/* oklch */ color: oklch(60.2% 0.109 241.5);

Tailwind

colors: {
  custom: {
    50: '#80aad0',
    500: '#3b88bc',
    950: '#000000',
  },
}

SCSS

$custom: #3b88bc;
$custom-light: #80aad0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b88bc",
  "rgb": {
    "r": 59,
    "g": 136,
    "b": 188
  },
  "hsl": {
    "h": 204.186,
    "s": 52.227,
    "l": 48.431
  },
  "oklch": {
    "l": 0.60181,
    "c": 0.10941,
    "h": 241.5
  },
  "luminance": 0.22169
}

Semantic roles & 50–950 ramp

primary

#3B88BC

secondary

#C9A38A

accent

#864CDC

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3B88BC

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

Preview Lab → · Contrast checker → · Palette generator →