#3331B7#3331B7

#3331B7 is a dark, highly saturated blue. Relative luminance 0.063; OKLCH L 41.7% C 0.202 H 273.9°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#3331B7
RGB	rgb(51, 49, 183)
HSL	hsl(241, 58%, 45%)
HSV	hsv(241, 73%, 72%)
CMYK	cmyk(72.1%, 73.2%, 0%, 28.2%)
CIE-LAB	lab(30.20, 44.58, -69.79)
CIE-LCH	lch(30.20, 82.81, 302.57°)
OKLab	oklab(41.72% 0.0137 -0.2019)
OKLCH	oklch(41.72% 0.202 273.9)
XYZ	xyz(11.0080, 6.3182, 45.4300)
Luminance	0.0632 (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

#3331B7 #B5B731

analogous

#3172B7 #3331B7 #7631B7

triadic

#3331B7 #B73331 #31B733

tetradic

#3331B7 #B73172 #B5B731 #31B776

square

#3331B7 #B73172 #B5B731 #31B776

split-complementary

#3331B7 #B77631 #72B731

monochromatic

#181756 #262487 #3331B7 #5654D1 #8684DE

Accessibility & contrast

On white

9.28

#3331B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#3331B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3331B7

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3331B7	#FFFFFF	#000000	##FFFFFF
##3331B7	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DBB

Deuteranopia (green-blind)

#0041B5

Tritanopia (blue-blind)

#005771

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3331b7;
/* rgb */ color: rgb(51, 49, 183);
/* oklch */ color: oklch(41.7% 0.202 273.9);

Tailwind

colors: {
  custom: {
    50: '#7f6bce',
    500: '#3331b7',
    950: '#000000',
  },
}

SCSS

$custom: #3331b7;
$custom-light: #7f6bce;
$custom-dark: #000000;

JSON

{
  "hex": "#3331b7",
  "rgb": {
    "r": 51,
    "g": 49,
    "b": 183
  },
  "hsl": {
    "h": 240.896,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.41724,
    "c": 0.20232,
    "h": 273.9
  },
  "luminance": 0.06319
}

Semantic roles & 50–950 ramp

primary

#3331B7

secondary

#C6C87C

accent

#E147DF

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3331B7

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

Preview Lab → · Contrast checker → · Palette generator →