#3A71DB#3A71DB

#3A71DB is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.9% C 0.173 H 261.9°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#3A71DB
RGB	rgb(58, 113, 219)
HSL	hsl(220, 69%, 54%)
HSV	hsv(220, 74%, 86%)
CMYK	cmyk(73.5%, 48.4%, 0%, 14.1%)
CIE-LAB	lab(49.28, 18.14, -59.54)
CIE-LCH	lch(49.28, 62.24, 286.95°)
OKLab	oklab(56.88% -0.0243 -0.171)
OKLCH	oklch(56.88% 0.173 261.9)
XYZ	xyz(20.4316, 17.8220, 69.3673)
Luminance	0.1782 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A71DB #DBA43A

analogous

#3AC2DB #3A71DB #543ADB

triadic

#3A71DB #DB3A71 #71DB3A

tetradic

#3A71DB #DB3AC2 #DBA43A #3ADB54

square

#3A71DB #DB3AC2 #DBA43A #3ADB54

split-complementary

#3A71DB #DB543A #C2DB3A

monochromatic

#183C83 #2154B6 #3A71DB #6E96E4 #A1BCEE

Accessibility & contrast

On white

4.60

#3A71DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#3A71DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3A71DB

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A71DB	#FFFFFF	#000000	##FFFFFF
##3A71DB	1.00	4.60	4.56	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#357DDF

Deuteranopia (green-blind)

#006ED9

Tritanopia (blue-blind)

#008A9B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3a71db;
/* rgb */ color: rgb(58, 113, 219);
/* oklch */ color: oklch(56.9% 0.173 261.9);

Tailwind

colors: {
  custom: {
    50: '#8599e7',
    500: '#3a71db',
    950: '#000000',
  },
}

SCSS

$custom: #3a71db;
$custom-light: #8599e7;
$custom-dark: #000000;

JSON

{
  "hex": "#3a71db",
  "rgb": {
    "r": 58,
    "g": 113,
    "b": 219
  },
  "hsl": {
    "h": 219.503,
    "s": 69.099,
    "l": 54.314
  },
  "oklch": {
    "l": 0.56882,
    "c": 0.17273,
    "h": 261.9
  },
  "luminance": 0.17824
}

Semantic roles & 50–950 ramp

primary

#3A71DB

secondary

#DBC396

accent

#B03CEC

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0D0D16

muted

#7D7E84

Preview Lab

Preview with #3A71DB

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

Preview Lab → · Contrast checker → · Palette generator →