#3031BD#3031BD

#3031BD is a dark, highly saturated blue. Relative luminance 0.065; OKLCH L 42.2% C 0.210 H 272.5°. Best body text is #FFFFFF at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#3031BD
RGB	rgb(48, 49, 189)
HSL	hsl(240, 59%, 46%)
HSV	hsv(240, 75%, 74%)
CMYK	cmyk(74.6%, 74.1%, 0%, 25.9%)
CIE-LAB	lab(30.64, 46.28, -72.63)
CIE-LCH	lch(30.64, 86.12, 302.51°)
OKLab	oklab(42.17% 0.0091 -0.2102)
OKLCH	oklch(42.17% 0.21 272.5)
XYZ	xyz(11.4995, 6.4979, 48.7824)
Luminance	0.0650 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 3.87

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3031BD #BDBC30

analogous

#3078BD #3031BD #7530BD

triadic

#3031BD #BD3031 #31BD30

tetradic

#3031BD #BD3078 #BDBC30 #30BD75

square

#3031BD #BD3078 #BDBC30 #30BD75

split-complementary

#3031BD #BD7530 #78BD30

monochromatic

#17185B #24248C #3031BD #5657D4 #8788E0

Accessibility & contrast

On white

9.13

#3031BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#3031BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3031BD

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3031BD	#FFFFFF	#000000	##FFFFFF
##3031BD	1.00	9.13	2.30	9.13
#FFFFFF	9.13	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FC1

Deuteranopia (green-blind)

#0041BB

Tritanopia (blue-blind)

#005A74

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3031bd;
/* rgb */ color: rgb(48, 49, 189);
/* oklch */ color: oklch(42.2% 0.210 272.5);

Tailwind

colors: {
  custom: {
    50: '#7f6bd2',
    500: '#3031bd',
    950: '#000000',
  },
}

SCSS

$custom: #3031bd;
$custom-light: #7f6bd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3031bd",
  "rgb": {
    "r": 48,
    "g": 49,
    "b": 189
  },
  "hsl": {
    "h": 239.574,
    "s": 59.494,
    "l": 46.471
  },
  "oklch": {
    "l": 0.42167,
    "c": 0.2104,
    "h": 272.5
  },
  "luminance": 0.06499
}

Semantic roles & 50–950 ramp

primary

#3031BD

secondary

#CACA7F

accent

#E245E3

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3031BD

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

Preview Lab → · Contrast checker → · Palette generator →