#3A4FB7#3A4FB7

#3A4FB7 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 47.3% C 0.166 H 270.2°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#3A4FB7
RGB	rgb(58, 79, 183)
HSL	hsl(230, 52%, 47%)
HSV	hsv(230, 68%, 72%)
CMYK	cmyk(68.3%, 56.8%, 0%, 28.2%)
CIE-LAB	lab(37.68, 26.80, -57.54)
CIE-LCH	lch(37.68, 63.47, 294.98°)
OKLab	oklab(47.3% 0.0006 -0.1656)
OKLCH	oklch(47.3% 0.166 270.2)
XYZ	xyz(13.0852, 9.9092, 46.0136)
Luminance	0.0991 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A4FB7 #B7A23A

analogous

#3A8EB7 #3A4FB7 #643AB7

triadic

#3A4FB7 #B73A4F #4FB73A

tetradic

#3A4FB7 #B73A8E #B7A23A #3AB764

square

#3A4FB7 #B73A8E #B7A23A #3AB764

split-complementary

#3A4FB7 #B7643A #8EB73A

monochromatic

#1D275A #2B3B89 #3A4FB7 #6173CD #909CDC

Accessibility & contrast

On white

7.04

#3A4FB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#3A4FB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A4FB7

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A4FB7	#FFFFFF	#000000	##FFFFFF
##3A4FB7	1.00	7.04	2.98	7.04
#FFFFFF	7.04	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FBB

Deuteranopia (green-blind)

#0053B5

Tritanopia (blue-blind)

#00687B

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3a4fb7;
/* rgb */ color: rgb(58, 79, 183);
/* oklch */ color: oklch(47.3% 0.166 270.2);

Tailwind

colors: {
  custom: {
    50: '#7f80cd',
    500: '#3a4fb7',
    950: '#000000',
  },
}

SCSS

$custom: #3a4fb7;
$custom-light: #7f80cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3a4fb7",
  "rgb": {
    "r": 58,
    "g": 79,
    "b": 183
  },
  "hsl": {
    "h": 229.92,
    "s": 51.867,
    "l": 47.255
  },
  "oklch": {
    "l": 0.47301,
    "c": 0.16565,
    "h": 270.2
  },
  "luminance": 0.0991
}

Semantic roles & 50–950 ramp

primary

#3A4FB7

secondary

#C7BC86

accent

#C34CDB

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3A4FB7

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

Preview Lab → · Contrast checker → · Palette generator →