#3A47B8#3A47B8

#3A47B8 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.9% C 0.177 H 272.3°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#3A47B8
RGB	rgb(58, 71, 184)
HSL	hsl(234, 52%, 47%)
HSV	hsv(234, 68%, 72%)
CMYK	cmyk(68.5%, 61.4%, 0%, 27.8%)
CIE-LAB	lab(35.72, 32.31, -61.31)
CIE-LCH	lch(35.72, 69.30, 297.79°)
OKLab	oklab(45.87% 0.0071 -0.1768)
OKLCH	oklch(45.87% 0.177 272.3)
XYZ	xyz(12.6470, 8.8655, 46.3828)
Luminance	0.0887 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.56

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A47B8 #B8AB3A

analogous

#3A86B8 #3A47B8 #6C3AB8

triadic

#3A47B8 #B83A47 #47B83A

tetradic

#3A47B8 #B83A86 #B8AB3A #3AB86C

square

#3A47B8 #B83A86 #B8AB3A #3AB86C

split-complementary

#3A47B8 #B86C3A #86B83A

monochromatic

#1D235B #2B3589 #3A47B8 #626DCD #9098DC

Accessibility & contrast

On white

7.57

#3A47B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#3A47B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A47B8

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A47B8	#FFFFFF	#000000	##FFFFFF
##3A47B8	1.00	7.57	2.77	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ABC

Deuteranopia (green-blind)

#004EB6

Tritanopia (blue-blind)

#006378

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3a47b8;
/* rgb */ color: rgb(58, 71, 184);
/* oklch */ color: oklch(45.9% 0.177 272.3);

Tailwind

colors: {
  custom: {
    50: '#807ace',
    500: '#3a47b8',
    950: '#000000',
  },
}

SCSS

$custom: #3a47b8;
$custom-light: #807ace;
$custom-dark: #000000;

JSON

{
  "hex": "#3a47b8",
  "rgb": {
    "r": 58,
    "g": 71,
    "b": 184
  },
  "hsl": {
    "h": 233.81,
    "s": 52.066,
    "l": 47.451
  },
  "oklch": {
    "l": 0.45872,
    "c": 0.17695,
    "h": 272.3
  },
  "luminance": 0.08867
}

Semantic roles & 50–950 ramp

primary

#3A47B8

secondary

#C7C087

accent

#CD4CDC

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3A47B8

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

Preview Lab → · Contrast checker → · Palette generator →