#3B71BC#3B71BC

#3B71BC is a mid, vivid cyan. Relative luminance 0.164; OKLCH L 54.9% C 0.131 H 257.1°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#3B71BC
RGB	rgb(59, 113, 188)
HSL	hsl(215, 52%, 48%)
HSV	hsv(215, 69%, 74%)
CMYK	cmyk(68.6%, 39.9%, 0%, 26.3%)
CIE-LAB	lab(47.46, 6.99, -44.73)
CIE-LCH	lch(47.46, 45.28, 278.89°)
OKLab	oklab(54.89% -0.0292 -0.1275)
OKLCH	oklch(54.89% 0.131 257.1)
XYZ	xyz(16.7826, 16.3692, 49.8423)
Luminance	0.1637 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B71BC #BC863B

analogous

#3BB1BC #3B71BC #453BBC

triadic

#3B71BC #BC3B71 #71BC3B

tetradic

#3B71BC #BC3BB1 #BC863B #3BBC45

square

#3B71BC #BC3BB1 #BC863B #3BBC45

split-complementary

#3B71BC #BC453B #B1BC3B

monochromatic

#1E395F #2C558D #3B71BC #6592CF #94B3DD

Accessibility & contrast

On white

4.91

#3B71BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#3B71BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B71BC

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B71BC	#FFFFFF	#000000	##FFFFFF
##3B71BC	1.00	4.91	4.27	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F77BF

Deuteranopia (green-blind)

#3B6BBA

Tritanopia (blue-blind)

#00828D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3b71bc;
/* rgb */ color: rgb(59, 113, 188);
/* oklch */ color: oklch(54.9% 0.131 257.1);

Tailwind

colors: {
  custom: {
    50: '#7f99d0',
    500: '#3b71bc',
    950: '#000000',
  },
}

SCSS

$custom: #3b71bc;
$custom-light: #7f99d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b71bc",
  "rgb": {
    "r": 59,
    "g": 113,
    "b": 188
  },
  "hsl": {
    "h": 214.884,
    "s": 52.227,
    "l": 48.431
  },
  "oklch": {
    "l": 0.54885,
    "c": 0.13077,
    "h": 257.1
  },
  "luminance": 0.16371
}

Semantic roles & 50–950 ramp

primary

#3B71BC

secondary

#C9AE8A

accent

#A04CDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3B71BC

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

Preview Lab → · Contrast checker → · Palette generator →