#3A6FDB#3A6FDB

#3A6FDB is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.5% C 0.175 H 262.5°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#3A6FDB
RGB	rgb(58, 111, 219)
HSL	hsl(220, 69%, 54%)
HSV	hsv(220, 74%, 86%)
CMYK	cmyk(73.5%, 49.3%, 0%, 14.1%)
CIE-LAB	lab(48.74, 19.40, -60.42)
CIE-LCH	lch(48.74, 63.46, 287.80°)
OKLab	oklab(56.47% -0.0227 -0.1736)
OKLCH	oklch(56.47% 0.175 262.5)
XYZ	xyz(20.2110, 17.3807, 69.2937)
Luminance	0.1738 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A6FDB #DBA63A

analogous

#3AC0DB #3A6FDB #553ADB

triadic

#3A6FDB #DB3A6F #6FDB3A

tetradic

#3A6FDB #DB3AC0 #DBA63A #3ADB55

square

#3A6FDB #DB3AC0 #DBA63A #3ADB55

split-complementary

#3A6FDB #DB553A #C0DB3A

monochromatic

#183B83 #2152B6 #3A6FDB #6E95E4 #A1BBEE

Accessibility & contrast

On white

4.69

#3A6FDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#3A6FDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A6FDB

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A6FDB	#FFFFFF	#000000	##FFFFFF
##3A6FDB	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F7CDF

Deuteranopia (green-blind)

#006DD9

Tritanopia (blue-blind)

#00899A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3a6fdb;
/* rgb */ color: rgb(58, 111, 219);
/* oklch */ color: oklch(56.5% 0.175 262.5);

Tailwind

colors: {
  custom: {
    50: '#8597e7',
    500: '#3a6fdb',
    950: '#000000',
  },
}

SCSS

$custom: #3a6fdb;
$custom-light: #8597e7;
$custom-dark: #000000;

JSON

{
  "hex": "#3a6fdb",
  "rgb": {
    "r": 58,
    "g": 111,
    "b": 219
  },
  "hsl": {
    "h": 220.248,
    "s": 69.099,
    "l": 54.314
  },
  "oklch": {
    "l": 0.56466,
    "c": 0.1751,
    "h": 262.5
  },
  "luminance": 0.17383
}

Semantic roles & 50–950 ramp

primary

#3A6FDB

secondary

#DBC496

accent

#B23CEC

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0D0D16

muted

#7D7E84

Preview Lab

Preview with #3A6FDB

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

Preview Lab → · Contrast checker → · Palette generator →