#3A6DDB#3A6DDB

#3A6DDB is a mid, vivid blue. Relative luminance 0.170; OKLCH L 56.1% C 0.177 H 263.2°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#3A6DDB
RGB	rgb(58, 109, 219)
HSL	hsl(221, 69%, 54%)
HSV	hsv(221, 74%, 86%)
CMYK	cmyk(73.5%, 50.2%, 0%, 14.1%)
CIE-LAB	lab(48.20, 20.67, -61.29)
CIE-LCH	lch(48.20, 64.68, 288.63°)
OKLab	oklab(56.05% -0.0211 -0.1762)
OKLCH	oklch(56.05% 0.177 263.2)
XYZ	xyz(19.9952, 16.9491, 69.2218)
Luminance	0.1695 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A6DDB #DBA83A

analogous

#3ABEDB #3A6DDB #583ADB

triadic

#3A6DDB #DB3A6D #6DDB3A

tetradic

#3A6DDB #DB3ABE #DBA83A #3ADB58

square

#3A6DDB #DB3ABE #DBA83A #3ADB58

split-complementary

#3A6DDB #DB583A #BEDB3A

monochromatic

#183A83 #2151B6 #3A6DDB #6E93E4 #A1BAEE

Accessibility & contrast

On white

4.78

#3A6DDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#3A6DDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A6DDB

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A6DDB	#FFFFFF	#000000	##FFFFFF
##3A6DDB	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#297ADF

Deuteranopia (green-blind)

#006BD9

Tritanopia (blue-blind)

#00879A

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3a6ddb;
/* rgb */ color: rgb(58, 109, 219);
/* oklch */ color: oklch(56.1% 0.177 263.2);

Tailwind

colors: {
  custom: {
    50: '#8596e7',
    500: '#3a6ddb',
    950: '#000000',
  },
}

SCSS

$custom: #3a6ddb;
$custom-light: #8596e7;
$custom-dark: #000000;

JSON

{
  "hex": "#3a6ddb",
  "rgb": {
    "r": 58,
    "g": 109,
    "b": 219
  },
  "hsl": {
    "h": 220.994,
    "s": 69.099,
    "l": 54.314
  },
  "oklch": {
    "l": 0.56054,
    "c": 0.17749,
    "h": 263.2
  },
  "luminance": 0.16951
}

Semantic roles & 50–950 ramp

primary

#3A6DDB

secondary

#DBC596

accent

#B43CEC

background

#F8F9FE

surface

#F0F1FC

border

#CBCBD5

text

#0D0D16

muted

#7D7E84

Preview Lab

Preview with #3A6DDB

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

Preview Lab → · Contrast checker → · Palette generator →