#3A3FB4#3A3FB4

#3A3FB4 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.1% C 0.181 H 274.3°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#3A3FB4
RGB	rgb(58, 63, 180)
HSL	hsl(238, 51%, 47%)
HSV	hsv(238, 68%, 71%)
CMYK	cmyk(67.8%, 65%, 0%, 29.4%)
CIE-LAB	lab(33.45, 35.97, -62.65)
CIE-LCH	lch(33.45, 72.24, 299.86°)
OKLab	oklab(44.1% 0.0135 -0.1808)
OKLCH	oklch(44.1% 0.181 274.3)
XYZ	xyz(11.7579, 7.7488, 44.0472)
Luminance	0.0775 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A3FB4 #B4AF3A

analogous

#3A7CB4 #3A3FB4 #723AB4

triadic

#3A3FB4 #B43A3F #3FB43A

tetradic

#3A3FB4 #B43A7C #B4AF3A #3AB472

square

#3A3FB4 #B43A7C #B4AF3A #3AB472

split-complementary

#3A3FB4 #B4723A #7CB43A

monochromatic

#1C1F57 #2B2F86 #3A3FB4 #6064CC #8E91DB

Accessibility & contrast

On white

8.24

#3A3FB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#3A3FB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3FB4

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3FB4	#FFFFFF	#000000	##FFFFFF
##3A3FB4	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B8

Deuteranopia (green-blind)

#0049B2

Tritanopia (blue-blind)

#005D74

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3a3fb4;
/* rgb */ color: rgb(58, 63, 180);
/* oklch */ color: oklch(44.1% 0.181 274.3);

Tailwind

colors: {
  custom: {
    50: '#8074cb',
    500: '#3a3fb4',
    950: '#000000',
  },
}

SCSS

$custom: #3a3fb4;
$custom-light: #8074cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3fb4",
  "rgb": {
    "r": 58,
    "g": 63,
    "b": 180
  },
  "hsl": {
    "h": 237.541,
    "s": 51.261,
    "l": 46.667
  },
  "oklch": {
    "l": 0.44101,
    "c": 0.18132,
    "h": 274.3
  },
  "luminance": 0.0775
}

Semantic roles & 50–950 ramp

primary

#3A3FB4

secondary

#C5C385

accent

#D54DDB

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3A3FB4

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

Preview Lab → · Contrast checker → · Palette generator →