#3031C7#3031C7

#3031C7 is a dark, highly saturated blue. Relative luminance 0.069; OKLCH L 43.2% C 0.222 H 271.9°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#3031C7
RGB	rgb(48, 49, 199)
HSL	hsl(240, 61%, 48%)
HSV	hsv(240, 76%, 78%)
CMYK	cmyk(75.9%, 75.4%, 0%, 22%)
CIE-LAB	lab(31.69, 49.55, -76.77)
CIE-LCH	lch(31.69, 91.37, 302.84°)
OKLab	oklab(43.22% 0.0073 -0.2222)
OKLCH	oklch(43.22% 0.222 271.9)
XYZ	xyz(12.6226, 6.9472, 54.6975)
Luminance	0.0695 (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

#3031C7 #C7C630

analogous

#307CC7 #3031C7 #7A30C7

triadic

#3031C7 #C73031 #31C730

tetradic

#3031C7 #C7307C #C7C630 #30C77A

square

#3031C7 #C7307C #C7C630 #30C77A

split-complementary

#3031C7 #C77A30 #7CC730

monochromatic

#181964 #242596 #3031C7 #5C5DD8 #8E8EE4

Accessibility & contrast

On white

8.79

#3031C7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#3031C7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3031C7

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3031C7	#FFFFFF	#000000	##FFFFFF
##3031C7	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052CB

Deuteranopia (green-blind)

#0043C4

Tritanopia (blue-blind)

#005D7A

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3031c7;
/* rgb */ color: rgb(48, 49, 199);
/* oklch */ color: oklch(43.2% 0.222 271.9);

Tailwind

colors: {
  custom: {
    50: '#816bd9',
    500: '#3031c7',
    950: '#000000',
  },
}

SCSS

$custom: #3031c7;
$custom-light: #816bd9;
$custom-dark: #000000;

JSON

{
  "hex": "#3031c7",
  "rgb": {
    "r": 48,
    "g": 49,
    "b": 199
  },
  "hsl": {
    "h": 239.603,
    "s": 61.134,
    "l": 48.431
  },
  "oklch": {
    "l": 0.43223,
    "c": 0.22236,
    "h": 271.9
  },
  "luminance": 0.06949
}

Semantic roles & 50–950 ramp

primary

#3031C7

secondary

#CECE85

accent

#E344E4

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #3031C7

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

Preview Lab → · Contrast checker → · Palette generator →