#3A31B9#3A31B9

#3A31B9 is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.4% C 0.203 H 276.2°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#3A31B9
RGB	rgb(58, 49, 185)
HSL	hsl(244, 58%, 46%)
HSV	hsv(244, 74%, 73%)
CMYK	cmyk(68.6%, 73.5%, 0%, 27.5%)
CIE-LAB	lab(30.87, 45.95, -69.85)
CIE-LCH	lch(30.87, 83.61, 303.34°)
OKLab	oklab(42.38% 0.0221 -0.2019)
OKLCH	oklch(42.38% 0.203 276.2)
XYZ	xyz(11.5973, 6.5979, 46.5519)
Luminance	0.0660 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 4.27

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A31B9 #B0B931

analogous

#316CB9 #3A31B9 #7E31B9

triadic

#3A31B9 #B93A31 #31B93A

tetradic

#3A31B9 #B9316C #B0B931 #31B97E

square

#3A31B9 #B9316C #B0B931 #31B97E

split-complementary

#3A31B9 #B97E31 #6CB931

monochromatic

#1C1758 #2B2489 #3A31B9 #5D55D2 #8B86DF

Accessibility & contrast

On white

9.05

#3A31B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#3A31B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A31B9

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A31B9	#FFFFFF	#000000	##FFFFFF
##3A31B9	1.00	9.05	2.32	9.05
#FFFFFF	9.05	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBD

Deuteranopia (green-blind)

#0043B7

Tritanopia (blue-blind)

#005872

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3a31b9;
/* rgb */ color: rgb(58, 49, 185);
/* oklch */ color: oklch(42.4% 0.203 276.2);

Tailwind

colors: {
  custom: {
    50: '#826bcf',
    500: '#3a31b9',
    950: '#000000',
  },
}

SCSS

$custom: #3a31b9;
$custom-light: #826bcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3a31b9",
  "rgb": {
    "r": 58,
    "g": 49,
    "b": 185
  },
  "hsl": {
    "h": 243.971,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.42384,
    "c": 0.20307,
    "h": 276.2
  },
  "luminance": 0.06599
}

Semantic roles & 50–950 ramp

primary

#3A31B9

secondary

#C3C87D

accent

#E146D7

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3A31B9

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

Preview Lab → · Contrast checker → · Palette generator →