#3A6FCB#3A6FCB

#3A6FCB is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.4% C 0.154 H 260.6°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#3A6FCB
RGB	rgb(58, 111, 203)
HSL	hsl(218, 58%, 51%)
HSV	hsv(218, 71%, 80%)
CMYK	cmyk(71.4%, 45.3%, 0%, 20.4%)
CIE-LAB	lab(47.72, 13.54, -52.93)
CIE-LCH	lch(47.72, 54.64, 284.35°)
OKLab	oklab(55.36% -0.0251 -0.1516)
OKLCH	oklch(55.36% 0.154 260.6)
XYZ	xyz(18.2050, 16.5783, 58.7288)
Luminance	0.1658 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A6FCB #CB963A

analogous

#3AB7CB #3A6FCB #4D3ACB

triadic

#3A6FCB #CB3A6F #6FCB3A

tetradic

#3A6FCB #CB3AB7 #CB963A #3ACB4D

square

#3A6FCB #CB3AB7 #CB963A #3ACB4D

split-complementary

#3A6FCB #CB4D3A #B7CB3A

monochromatic

#1D3A6E #2A549E #3A6FCB #6A92D8 #9BB6E5

Accessibility & contrast

On white

4.87

#3A6FCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#3A6FCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A6FCB

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A6FCB	#FFFFFF	#000000	##FFFFFF
##3A6FCB	1.00	4.87	4.32	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4078CE

Deuteranopia (green-blind)

#226BC9

Tritanopia (blue-blind)

#008593

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3a6fcb;
/* rgb */ color: rgb(58, 111, 203);
/* oklch */ color: oklch(55.4% 0.154 260.6);

Tailwind

colors: {
  custom: {
    50: '#8297db',
    500: '#3a6fcb',
    950: '#000000',
  },
}

SCSS

$custom: #3a6fcb;
$custom-light: #8297db;
$custom-dark: #000000;

JSON

{
  "hex": "#3a6fcb",
  "rgb": {
    "r": 58,
    "g": 111,
    "b": 203
  },
  "hsl": {
    "h": 218.069,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.55365,
    "c": 0.15367,
    "h": 260.6
  },
  "luminance": 0.1658
}

Semantic roles & 50–950 ramp

primary

#3A6FCB

secondary

#D0B990

accent

#A946E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3A6FCB

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

Preview Lab → · Contrast checker → · Palette generator →