#3B88D3#3B88D3

#3B88D3 is a mid, vivid cyan. Relative luminance 0.232; OKLCH L 61.4% C 0.137 H 250.6°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#3B88D3
RGB	rgb(59, 136, 211)
HSL	hsl(210, 63%, 53%)
HSV	hsv(210, 72%, 83%)
CMYK	cmyk(72%, 35.5%, 0%, 17.3%)
CIE-LAB	lab(55.32, 1.26, -45.37)
CIE-LCH	lch(55.32, 45.39, 271.60°)
OKLab	oklab(61.42% -0.0455 -0.129)
OKLCH	oklch(61.42% 0.137 250.6)
XYZ	xyz(22.3613, 23.2388, 64.9224)
Luminance	0.2324 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B88D3 #D3863B

analogous

#3BD3D2 #3B88D3 #3B3CD3

triadic

#3B88D3 #D33B88 #88D33B

tetradic

#3B88D3 #D23BD3 #D3863B #3CD33B

square

#3B88D3 #D23BD3 #D3863B #3CD33B

split-complementary

#3B88D3 #D33B3C #D3D23B

monochromatic

#1B4A79 #2669AB #3B88D3 #6DA6DE #9FC5E9

Accessibility & contrast

On white

3.72

#3B88D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#3B88D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B88D3

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B88D3	#FFFFFF	#000000	##000000
##3B88D3	1.00	3.72	5.65	5.65
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.65	21.00	1.00	1.00
##000000	5.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#668CD6

Deuteranopia (green-blind)

#507ED2

Tritanopia (blue-blind)

#009AA3

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #3b88d3;
/* rgb */ color: rgb(59, 136, 211);
/* oklch */ color: oklch(61.4% 0.137 250.6);

Tailwind

colors: {
  custom: {
    50: '#83aae1',
    500: '#3b88d3',
    950: '#000000',
  },
}

SCSS

$custom: #3b88d3;
$custom-light: #83aae1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b88d3",
  "rgb": {
    "r": 59,
    "g": 136,
    "b": 211
  },
  "hsl": {
    "h": 209.605,
    "s": 63.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.61423,
    "c": 0.13681,
    "h": 250.6
  },
  "luminance": 0.23241
}

Semantic roles & 50–950 ramp

primary

#3B88D3

secondary

#D6B494

accent

#9341E6

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3B88D3

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

Preview Lab → · Contrast checker → · Palette generator →