#3A51BA#3A51BA

#3A51BA is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.9% C 0.167 H 269.7°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#3A51BA
RGB	rgb(58, 81, 186)
HSL	hsl(229, 52%, 48%)
HSV	hsv(229, 69%, 73%)
CMYK	cmyk(68.8%, 56.5%, 0%, 27.1%)
CIE-LAB	lab(38.43, 26.59, -58.09)
CIE-LCH	lch(38.43, 63.88, 294.60°)
OKLab	oklab(47.93% -0.001 -0.1672)
OKLCH	oklch(47.93% 0.167 269.7)
XYZ	xyz(13.5473, 10.3283, 47.7245)
Luminance	0.1033 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A51BA #BAA33A

analogous

#3A91BA #3A51BA #633ABA

triadic

#3A51BA #BA3A51 #51BA3A

tetradic

#3A51BA #BA3A91 #BAA33A #3ABA63

square

#3A51BA #BA3A91 #BAA33A #3ABA63

split-complementary

#3A51BA #BA633A #91BA3A

monochromatic

#1D285D #2B3D8B #3A51BA #6376CE #929FDD

Accessibility & contrast

On white

6.85

#3A51BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#3A51BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A51BA

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A51BA	#FFFFFF	#000000	##FFFFFF
##3A51BA	1.00	6.85	3.07	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BE

Deuteranopia (green-blind)

#0055B8

Tritanopia (blue-blind)

#006B7D

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3a51ba;
/* rgb */ color: rgb(58, 81, 186);
/* oklch */ color: oklch(47.9% 0.167 269.7);

Tailwind

colors: {
  custom: {
    50: '#8081cf',
    500: '#3a51ba',
    950: '#000000',
  },
}

SCSS

$custom: #3a51ba;
$custom-light: #8081cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3a51ba",
  "rgb": {
    "r": 58,
    "g": 81,
    "b": 186
  },
  "hsl": {
    "h": 229.219,
    "s": 52.459,
    "l": 47.843
  },
  "oklch": {
    "l": 0.4793,
    "c": 0.16724,
    "h": 269.7
  },
  "luminance": 0.1033
}

Semantic roles & 50–950 ramp

primary

#3A51BA

secondary

#C8BC88

accent

#C24CDC

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3A51BA

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

Preview Lab → · Contrast checker → · Palette generator →