#3031D0#3031D0

#3031D0 is a dark, highly saturated blue. Relative luminance 0.074; OKLCH L 44.2% C 0.233 H 271.4°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#3031D0
RGB	rgb(48, 49, 208)
HSL	hsl(240, 63%, 50%)
HSV	hsv(240, 77%, 82%)
CMYK	cmyk(76.9%, 76.4%, 0%, 18.4%)
CIE-LAB	lab(32.65, 52.44, -80.42)
CIE-LCH	lch(32.65, 96.01, 303.11°)
OKLab	oklab(44.19% 0.0057 -0.2328)
OKLCH	oklch(44.19% 0.233 271.4)
XYZ	xyz(13.6986, 7.3776, 60.3643)
Luminance	0.0738 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 4.18

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3031D0 #D0CF30

analogous

#3081D0 #3031D0 #7F30D0

triadic

#3031D0 #D03031 #31D030

tetradic

#3031D0 #D03081 #D0CF30 #30D07F

square

#3031D0 #D03081 #D0CF30 #30D07F

split-complementary

#3031D0 #D07F30 #81D030

monochromatic

#19196D #24259F #3031D0 #6263DB #9494E7

Accessibility & contrast

On white

8.48

#3031D0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3031D0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3031D0

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3031D0	#FFFFFF	#000000	##FFFFFF
##3031D0	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055D5

Deuteranopia (green-blind)

#0045CD

Tritanopia (blue-blind)

#00617F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3031d0;
/* rgb */ color: rgb(48, 49, 208);
/* oklch */ color: oklch(44.2% 0.233 271.4);

Tailwind

colors: {
  custom: {
    50: '#836ce0',
    500: '#3031d0',
    950: '#000000',
  },
}

SCSS

$custom: #3031d0;
$custom-light: #836ce0;
$custom-dark: #000000;

JSON

{
  "hex": "#3031d0",
  "rgb": {
    "r": 48,
    "g": 49,
    "b": 208
  },
  "hsl": {
    "h": 239.625,
    "s": 62.992,
    "l": 50.196
  },
  "oklch": {
    "l": 0.44188,
    "c": 0.2329,
    "h": 271.4
  },
  "luminance": 0.07379
}

Semantic roles & 50–950 ramp

primary

#3031D0

secondary

#D2D18A

accent

#E542E6

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3031D0

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

Preview Lab → · Contrast checker → · Palette generator →