#3B71BB#3B71BB

#3B71BB is a mid, vivid cyan. Relative luminance 0.163; OKLCH L 54.8% C 0.129 H 256.9°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#3B71BB
RGB	rgb(59, 113, 187)
HSL	hsl(215, 52%, 48%)
HSV	hsv(215, 68%, 73%)
CMYK	cmyk(68.4%, 39.6%, 0%, 26.7%)
CIE-LAB	lab(47.40, 6.63, -44.24)
CIE-LCH	lch(47.40, 44.74, 278.53°)
OKLab	oklab(54.82% -0.0294 -0.126)
OKLCH	oklch(54.82% 0.129 256.9)
XYZ	xyz(16.6751, 16.3262, 49.2765)
Luminance	0.1633 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B71BB #BB853B

analogous

#3BB1BB #3B71BB #453BBB

triadic

#3B71BB #BB3B71 #71BB3B

tetradic

#3B71BB #BB3BB1 #BB853B #3BBB45

square

#3B71BB #BB3BB1 #BB853B #3BBB45

split-complementary

#3B71BB #BB453B #B1BB3B

monochromatic

#1E395E #2C558C #3B71BB #6591CE #93B2DD

Accessibility & contrast

On white

4.92

#3B71BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#3B71BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B71BB

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B71BB	#FFFFFF	#000000	##FFFFFF
##3B71BB	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F77BE

Deuteranopia (green-blind)

#3C6BB9

Tritanopia (blue-blind)

#00828D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3b71bb;
/* rgb */ color: rgb(59, 113, 187);
/* oklch */ color: oklch(54.8% 0.129 256.9);

Tailwind

colors: {
  custom: {
    50: '#7f99d0',
    500: '#3b71bb',
    950: '#000000',
  },
}

SCSS

$custom: #3b71bb;
$custom-light: #7f99d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b71bb",
  "rgb": {
    "r": 59,
    "g": 113,
    "b": 187
  },
  "hsl": {
    "h": 214.688,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.54823,
    "c": 0.12942,
    "h": 256.9
  },
  "luminance": 0.16328
}

Semantic roles & 50–950 ramp

primary

#3B71BB

secondary

#C8AE8A

accent

#9F4CDB

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3B71BB

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

Preview Lab → · Contrast checker → · Palette generator →