#3B88CC#3B88CC

#3B88CC is a mid, vivid cyan. Relative luminance 0.229; OKLCH L 61.0% C 0.128 H 248.3°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#3B88CC
RGB	rgb(59, 136, 204)
HSL	hsl(208, 59%, 52%)
HSV	hsv(208, 71%, 80%)
CMYK	cmyk(71.1%, 33.3%, 0%, 20%)
CIE-LAB	lab(54.96, -1.22, -41.98)
CIE-LCH	lch(54.96, 42.00, 268.34°)
OKLab	oklab(61.03% -0.0474 -0.1191)
OKLCH	oklch(61.03% 0.128 248.3)
XYZ	xyz(21.5028, 22.8954, 60.4010)
Luminance	0.2290 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B88CC #CC7F3B

analogous

#3BCCC8 #3B88CC #3B40CC

triadic

#3B88CC #CC3B88 #88CC3B

tetradic

#3B88CC #C83BCC #CC7F3B #40CC3B

square

#3B88CC #C83BCC #CC7F3B #40CC3B

split-complementary

#3B88CC #CC3B40 #CCC83B

monochromatic

#1D4970 #2A69A0 #3B88CC #6CA5D9 #9CC3E5

Accessibility & contrast

On white

3.76

#3B88CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.58

#3B88CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B88CC

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B88CC	#FFFFFF	#000000	##000000
##3B88CC	1.00	3.76	5.58	5.58
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.58	21.00	1.00	1.00
##000000	5.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#698BCF

Deuteranopia (green-blind)

#557DCB

Tritanopia (blue-blind)

#0098A0

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #3b88cc;
/* rgb */ color: rgb(59, 136, 204);
/* oklch */ color: oklch(61.0% 0.128 248.3);

Tailwind

colors: {
  custom: {
    50: '#82aadc',
    500: '#3b88cc',
    950: '#000000',
  },
}

SCSS

$custom: #3b88cc;
$custom-light: #82aadc;
$custom-dark: #000000;

JSON

{
  "hex": "#3b88cc",
  "rgb": {
    "r": 59,
    "g": 136,
    "b": 204
  },
  "hsl": {
    "h": 208.138,
    "s": 58.704,
    "l": 51.569
  },
  "oklch": {
    "l": 0.61031,
    "c": 0.12819,
    "h": 248.3
  },
  "luminance": 0.22898
}

Semantic roles & 50–950 ramp

primary

#3B88CC

secondary

#D1AF92

accent

#8F46E2

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3B88CC

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

Preview Lab → · Contrast checker → · Palette generator →