#3A33B9#3A33B9

#3A33B9 is a dark, highly saturated blue. Relative luminance 0.068; OKLCH L 42.7% C 0.201 H 276.0°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#3A33B9
RGB	rgb(58, 51, 185)
HSL	hsl(243, 57%, 46%)
HSV	hsv(243, 72%, 73%)
CMYK	cmyk(68.6%, 72.4%, 0%, 27.5%)
CIE-LAB	lab(31.27, 44.83, -69.19)
CIE-LCH	lch(31.27, 82.45, 302.94°)
OKLab	oklab(42.67% 0.0209 -0.1999)
OKLCH	oklch(42.67% 0.201 276)
XYZ	xyz(11.6828, 6.7689, 46.5804)
Luminance	0.0677 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 4.00

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A33B9 #B2B933

analogous

#336FB9 #3A33B9 #7D33B9

triadic

#3A33B9 #B93A33 #33B93A

tetradic

#3A33B9 #B9336F #B2B933 #33B97D

square

#3A33B9 #B9336F #B2B933 #33B97D

split-complementary

#3A33B9 #B97D33 #6FB933

monochromatic

#1C1959 #2B2689 #3A33B9 #5E58D1 #8D88DE

Accessibility & contrast

On white

8.92

#3A33B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#3A33B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A33B9

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A33B9	#FFFFFF	#000000	##FFFFFF
##3A33B9	1.00	8.92	2.35	8.92
#FFFFFF	8.92	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FBD

Deuteranopia (green-blind)

#0044B7

Tritanopia (blue-blind)

#005973

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3a33b9;
/* rgb */ color: rgb(58, 51, 185);
/* oklch */ color: oklch(42.7% 0.201 276.0);

Tailwind

colors: {
  custom: {
    50: '#826ccf',
    500: '#3a33b9',
    950: '#000000',
  },
}

SCSS

$custom: #3a33b9;
$custom-light: #826ccf;
$custom-dark: #000000;

JSON

{
  "hex": "#3a33b9",
  "rgb": {
    "r": 58,
    "g": 51,
    "b": 185
  },
  "hsl": {
    "h": 243.134,
    "s": 56.78,
    "l": 46.275
  },
  "oklch": {
    "l": 0.4267,
    "c": 0.20104,
    "h": 276
  },
  "luminance": 0.0677
}

Semantic roles & 50–950 ramp

primary

#3A33B9

secondary

#C4C880

accent

#E048D8

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3A33B9

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

Preview Lab → · Contrast checker → · Palette generator →