#3B88BA#3B88BA

#3B88BA is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 60.1% C 0.107 H 240.4°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#3B88BA
RGB	rgb(59, 136, 186)
HSL	hsl(204, 52%, 48%)
HSV	hsv(204, 68%, 73%)
CMYK	cmyk(68.3%, 26.9%, 0%, 27.1%)
CIE-LAB	lab(54.11, -7.48, -33.09)
CIE-LCH	lch(54.11, 33.92, 257.26°)
OKLab	oklab(60.08% -0.0529 -0.0932)
OKLCH	oklch(60.08% 0.107 240.4)
XYZ	xyz(19.4673, 22.0812, 49.6810)
Luminance	0.2208 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B88BA #BA6D3B

analogous

#3BBAAC #3B88BA #3B48BA

triadic

#3B88BA #BA3B88 #88BA3B

tetradic

#3B88BA #AC3BBA #BA6D3B #48BA3B

square

#3B88BA #AC3BBA #BA6D3B #48BA3B

split-complementary

#3B88BA #BA3B48 #BAAC3B

monochromatic

#1E445D #2C668C #3B88BA #64A4CE #93C0DD

Accessibility & contrast

On white

3.88

#3B88BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#3B88BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B88BA

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B88BA	#FFFFFF	#000000	##000000
##3B88BA	1.00	3.88	5.42	5.42
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7188BC

Deuteranopia (green-blind)

#607CB9

Tritanopia (blue-blind)

#009499

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3b88ba;
/* rgb */ color: rgb(59, 136, 186);
/* oklch */ color: oklch(60.1% 0.107 240.4);

Tailwind

colors: {
  custom: {
    50: '#7faacf',
    500: '#3b88ba',
    950: '#000000',
  },
}

SCSS

$custom: #3b88ba;
$custom-light: #7faacf;
$custom-dark: #000000;

JSON

{
  "hex": "#3b88ba",
  "rgb": {
    "r": 59,
    "g": 136,
    "b": 186
  },
  "hsl": {
    "h": 203.622,
    "s": 51.837,
    "l": 48.039
  },
  "oklch": {
    "l": 0.60079,
    "c": 0.1072,
    "h": 240.4
  },
  "luminance": 0.22083
}

Semantic roles & 50–950 ramp

primary

#3B88BA

secondary

#C8A289

accent

#854DDB

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3B88BA

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

Preview Lab → · Contrast checker → · Palette generator →