#3B71C0#3B71C0

#3B71C0 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.1% C 0.136 H 258.0°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#3B71C0
RGB	rgb(59, 113, 192)
HSL	hsl(216, 53%, 49%)
HSV	hsv(216, 69%, 75%)
CMYK	cmyk(69.3%, 41.1%, 0%, 24.7%)
CIE-LAB	lab(47.68, 8.44, -46.68)
CIE-LCH	lch(47.68, 47.44, 280.25°)
OKLab	oklab(55.13% -0.0283 -0.1332)
OKLCH	oklch(55.13% 0.136 258)
XYZ	xyz(17.2197, 16.5440, 52.1448)
Luminance	0.1655 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B71C0 #C08A3B

analogous

#3BB4C0 #3B71C0 #483BC0

triadic

#3B71C0 #C03B71 #71C03B

tetradic

#3B71C0 #C03BB4 #C08A3B #3BC048

square

#3B71C0 #C03BB4 #C08A3B #3BC048

split-complementary

#3B71C0 #C0483B #B4C03B

monochromatic

#1E3A62 #2D5591 #3B71C0 #6892D1 #97B4DF

Accessibility & contrast

On white

4.87

#3B71C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#3B71C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B71C0

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B71C0	#FFFFFF	#000000	##FFFFFF
##3B71C0	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C78C3

Deuteranopia (green-blind)

#376BBE

Tritanopia (blue-blind)

#00838F

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3b71c0;
/* rgb */ color: rgb(59, 113, 192);
/* oklch */ color: oklch(55.1% 0.136 258.0);

Tailwind

colors: {
  custom: {
    50: '#8099d3',
    500: '#3b71c0',
    950: '#000000',
  },
}

SCSS

$custom: #3b71c0;
$custom-light: #8099d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3b71c0",
  "rgb": {
    "r": 59,
    "g": 113,
    "b": 192
  },
  "hsl": {
    "h": 215.639,
    "s": 52.988,
    "l": 49.216
  },
  "oklch": {
    "l": 0.55133,
    "c": 0.13617,
    "h": 258
  },
  "luminance": 0.16546
}

Semantic roles & 50–950 ramp

primary

#3B71C0

secondary

#CAB18C

accent

#A24BDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #3B71C0

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

Preview Lab → · Contrast checker → · Palette generator →