#3B88CD#3B88CD

#3B88CD is a mid, vivid cyan. Relative luminance 0.229; OKLCH L 61.1% C 0.129 H 248.6°. Best body text is #000000 at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#3B88CD
RGB	rgb(59, 136, 205)
HSL	hsl(208, 59%, 52%)
HSV	hsv(208, 71%, 80%)
CMYK	cmyk(71.2%, 33.7%, 0%, 19.6%)
CIE-LAB	lab(55.01, -0.86, -42.47)
CIE-LCH	lch(55.01, 42.48, 268.84°)
OKLab	oklab(61.09% -0.0471 -0.1205)
OKLCH	oklch(61.09% 0.129 248.6)
XYZ	xyz(21.6231, 22.9435, 61.0347)
Luminance	0.2295 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B88CD #CD803B

analogous

#3BCDC9 #3B88CD #3B3FCD

triadic

#3B88CD #CD3B88 #88CD3B

tetradic

#3B88CD #C93BCD #CD803B #3FCD3B

square

#3B88CD #C93BCD #CD803B #3FCD3B

split-complementary

#3B88CD #CD3B3F #CDC93B

monochromatic

#1D4971 #2969A2 #3B88CD #6CA6D9 #9DC3E6

Accessibility & contrast

On white

3.76

#3B88CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.59

#3B88CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B88CD

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B88CD	#FFFFFF	#000000	##000000
##3B88CD	1.00	3.76	5.59	5.59
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.59	21.00	1.00	1.00
##000000	5.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#698BD0

Deuteranopia (green-blind)

#547DCC

Tritanopia (blue-blind)

#0098A1

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #3b88cd;
/* rgb */ color: rgb(59, 136, 205);
/* oklch */ color: oklch(61.1% 0.129 248.6);

Tailwind

colors: {
  custom: {
    50: '#82aadc',
    500: '#3b88cd',
    950: '#000000',
  },
}

SCSS

$custom: #3b88cd;
$custom-light: #82aadc;
$custom-dark: #000000;

JSON

{
  "hex": "#3b88cd",
  "rgb": {
    "r": 59,
    "g": 136,
    "b": 205
  },
  "hsl": {
    "h": 208.356,
    "s": 59.35,
    "l": 51.765
  },
  "oklch": {
    "l": 0.61086,
    "c": 0.12941,
    "h": 248.6
  },
  "luminance": 0.22946
}

Semantic roles & 50–950 ramp

primary

#3B88CD

secondary

#D2B092

accent

#9045E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3B88CD

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

Preview Lab → · Contrast checker → · Palette generator →