#3A4FB8#3A4FB8

#3A4FB8 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.4% C 0.167 H 270.2°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#3A4FB8
RGB	rgb(58, 79, 184)
HSL	hsl(230, 52%, 47%)
HSV	hsv(230, 68%, 72%)
CMYK	cmyk(68.5%, 57.1%, 0%, 27.8%)
CIE-LAB	lab(37.75, 27.16, -58.00)
CIE-LCH	lch(37.75, 64.05, 295.09°)
OKLab	oklab(47.38% 0.0006 -0.167)
OKLCH	oklch(47.38% 0.167 270.2)
XYZ	xyz(13.1897, 9.9509, 46.5637)
Luminance	0.0995 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A4FB8 #B8A33A

analogous

#3A8EB8 #3A4FB8 #643AB8

triadic

#3A4FB8 #B83A4F #4FB83A

tetradic

#3A4FB8 #B83A8E #B8A33A #3AB864

square

#3A4FB8 #B83A8E #B8A33A #3AB864

split-complementary

#3A4FB8 #B8643A #8EB83A

monochromatic

#1D275B #2B3B89 #3A4FB8 #6274CD #909DDC

Accessibility & contrast

On white

7.02

#3A4FB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#3A4FB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A4FB8

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A4FB8	#FFFFFF	#000000	##FFFFFF
##3A4FB8	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FBC

Deuteranopia (green-blind)

#0053B6

Tritanopia (blue-blind)

#00697C

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3a4fb8;
/* rgb */ color: rgb(58, 79, 184);
/* oklch */ color: oklch(47.4% 0.167 270.2);

Tailwind

colors: {
  custom: {
    50: '#7f80ce',
    500: '#3a4fb8',
    950: '#000000',
  },
}

SCSS

$custom: #3a4fb8;
$custom-light: #7f80ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3a4fb8",
  "rgb": {
    "r": 58,
    "g": 79,
    "b": 184
  },
  "hsl": {
    "h": 230,
    "s": 52.066,
    "l": 47.451
  },
  "oklch": {
    "l": 0.47381,
    "c": 0.16702,
    "h": 270.2
  },
  "luminance": 0.09952
}

Semantic roles & 50–950 ramp

primary

#3A4FB8

secondary

#C7BC87

accent

#C44CDC

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3A4FB8

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

Preview Lab → · Contrast checker → · Palette generator →