#3031CF#3031CF

#3031CF is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 44.1% C 0.232 H 271.4°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#3031CF
RGB	rgb(48, 49, 207)
HSL	hsl(240, 62%, 50%)
HSV	hsv(240, 77%, 81%)
CMYK	cmyk(76.8%, 76.3%, 0%, 18.8%)
CIE-LAB	lab(32.54, 52.13, -80.02)
CIE-LCH	lch(32.54, 95.50, 303.08°)
OKLab	oklab(44.08% 0.0059 -0.2317)
OKLCH	oklch(44.08% 0.232 271.4)
XYZ	xyz(13.5759, 7.3285, 59.7184)
Luminance	0.0733 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 4.21

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3031CF #CFCE30

analogous

#3080CF #3031CF #7F30CF

triadic

#3031CF #CF3031 #31CF30

tetradic

#3031CF #CF3080 #CFCE30 #30CF7F

square

#3031CF #CF3080 #CFCE30 #30CF7F

split-complementary

#3031CF #CF7F30 #80CF30

monochromatic

#19196C #24259D #3031CF #6262DB #9394E6

Accessibility & contrast

On white

8.52

#3031CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#3031CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3031CF

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3031CF	#FFFFFF	#000000	##FFFFFF
##3031CF	1.00	8.52	2.47	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054D3

Deuteranopia (green-blind)

#0044CC

Tritanopia (blue-blind)

#00617F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3031cf;
/* rgb */ color: rgb(48, 49, 207);
/* oklch */ color: oklch(44.1% 0.232 271.4);

Tailwind

colors: {
  custom: {
    50: '#836cdf',
    500: '#3031cf',
    950: '#000000',
  },
}

SCSS

$custom: #3031cf;
$custom-light: #836cdf;
$custom-dark: #000000;

JSON

{
  "hex": "#3031cf",
  "rgb": {
    "r": 48,
    "g": 49,
    "b": 207
  },
  "hsl": {
    "h": 239.623,
    "s": 62.353,
    "l": 50
  },
  "oklch": {
    "l": 0.4408,
    "c": 0.23173,
    "h": 271.4
  },
  "luminance": 0.0733
}

Semantic roles & 50–950 ramp

primary

#3031CF

secondary

#D1D18A

accent

#E442E5

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3031CF

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

Preview Lab → · Contrast checker → · Palette generator →