#3A6DD3#3A6DD3

#3A6DD3 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.5% C 0.167 H 262.4°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#3A6DD3
RGB	rgb(58, 109, 211)
HSL	hsl(220, 63%, 53%)
HSV	hsv(220, 73%, 83%)
CMYK	cmyk(72.5%, 48.3%, 0%, 17.3%)
CIE-LAB	lab(47.67, 17.74, -57.59)
CIE-LCH	lch(47.67, 60.26, 287.12°)
OKLab	oklab(55.49% -0.0221 -0.1653)
OKLCH	oklch(55.49% 0.167 262.4)
XYZ	xyz(18.9672, 16.5379, 63.8079)
Luminance	0.1654 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A6DD3 #D3A03A

analogous

#3AB9D3 #3A6DD3 #543AD3

triadic

#3A6DD3 #D33A6D #6DD33A

tetradic

#3A6DD3 #D33AB9 #D3A03A #3AD354

square

#3A6DD3 #D33AB9 #D3A03A #3AD354

split-complementary

#3A6DD3 #D3543A #B9D33A

monochromatic

#1B3A78 #2652AA #3A6DD3 #6C92DE #9EB7E9

Accessibility & contrast

On white

4.87

#3A6DD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#3A6DD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A6DD3

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A6DD3	#FFFFFF	#000000	##FFFFFF
##3A6DD3	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)

#3479D7

Deuteranopia (green-blind)

#006BD1

Tritanopia (blue-blind)

#008596

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3a6dd3;
/* rgb */ color: rgb(58, 109, 211);
/* oklch */ color: oklch(55.5% 0.167 262.4);

Tailwind

colors: {
  custom: {
    50: '#8396e1',
    500: '#3a6dd3',
    950: '#000000',
  },
}

SCSS

$custom: #3a6dd3;
$custom-light: #8396e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3a6dd3",
  "rgb": {
    "r": 58,
    "g": 109,
    "b": 211
  },
  "hsl": {
    "h": 220,
    "s": 63.485,
    "l": 52.745
  },
  "oklch": {
    "l": 0.55487,
    "c": 0.16681,
    "h": 262.4
  },
  "luminance": 0.1654
}

Semantic roles & 50–950 ramp

primary

#3A6DD3

secondary

#D6BF93

accent

#AF41E7

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3A6DD3

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

Preview Lab → · Contrast checker → · Palette generator →