#3A4DB1#3A4DB1

#3A4DB1 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.4% C 0.160 H 270.8°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#3A4DB1
RGB	rgb(58, 77, 177)
HSL	hsl(230, 51%, 46%)
HSV	hsv(230, 67%, 69%)
CMYK	cmyk(67.2%, 56.5%, 0%, 30.6%)
CIE-LAB	lab(36.71, 25.94, -55.57)
CIE-LCH	lch(36.71, 61.33, 295.02°)
OKLab	oklab(46.43% 0.0021 -0.1599)
OKLCH	oklch(46.43% 0.16 270.8)
XYZ	xyz(12.3319, 9.3805, 42.7472)
Luminance	0.0938 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A4DB1 #B19E3A

analogous

#3A88B1 #3A4DB1 #623AB1

triadic

#3A4DB1 #B13A4D #4DB13A

tetradic

#3A4DB1 #B13A88 #B19E3A #3AB162

square

#3A4DB1 #B13A88 #B19E3A #3AB162

split-complementary

#3A4DB1 #B1623A #88B13A

monochromatic

#1C2555 #2B3983 #3A4DB1 #5E6FCA #8C98D9

Accessibility & contrast

On white

7.30

#3A4DB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#3A4DB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A4DB1

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A4DB1	#FFFFFF	#000000	##FFFFFF
##3A4DB1	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB4

Deuteranopia (green-blind)

#0051AF

Tritanopia (blue-blind)

#006577

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3a4db1;
/* rgb */ color: rgb(58, 77, 177);
/* oklch */ color: oklch(46.4% 0.160 270.8);

Tailwind

colors: {
  custom: {
    50: '#7e7ec9',
    500: '#3a4db1',
    950: '#000000',
  },
}

SCSS

$custom: #3a4db1;
$custom-light: #7e7ec9;
$custom-dark: #000000;

JSON

{
  "hex": "#3a4db1",
  "rgb": {
    "r": 58,
    "g": 77,
    "b": 177
  },
  "hsl": {
    "h": 230.42,
    "s": 50.638,
    "l": 46.078
  },
  "oklch": {
    "l": 0.46431,
    "c": 0.15991,
    "h": 270.8
  },
  "luminance": 0.09382
}

Semantic roles & 50–950 ramp

primary

#3A4DB1

secondary

#C4B983

accent

#C44EDA

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3A4DB1

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

Preview Lab → · Contrast checker → · Palette generator →