#30319D#30319D

#30319D is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.9% C 0.170 H 274.7°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#30319D
RGB	rgb(48, 49, 157)
HSL	hsl(239, 53%, 40%)
HSV	hsv(239, 69%, 62%)
CMYK	cmyk(69.4%, 68.8%, 0%, 38.4%)
CIE-LAB	lab(27.46, 35.40, -58.68)
CIE-LCH	lch(27.46, 68.53, 301.10°)
OKLab	oklab(38.94% 0.014 -0.1695)
OKLCH	oklch(38.94% 0.17 274.7)
XYZ	xyz(8.4010, 5.2586, 32.4640)
Luminance	0.0526 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30319D #9D9C30

analogous

#30679D #30319D #66309D

triadic

#30319D #9D3031 #319D30

tetradic

#30319D #9D3067 #9D9C30 #309D66

square

#30319D #9D3067 #9D9C30 #309D66

split-complementary

#30319D #9D6630 #679D30

monochromatic

#13143F #22226E #30319D #4445C6 #7374D4

Accessibility & contrast

On white

10.23

#30319D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#30319D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30319D

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30319D	#FFFFFF	#000000	##FFFFFF
##30319D	1.00	10.23	2.05	10.23
#FFFFFF	10.23	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A0

Deuteranopia (green-blind)

#003C9B

Tritanopia (blue-blind)

#004E63

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #30319d;
/* rgb */ color: rgb(48, 49, 157);
/* oklch */ color: oklch(38.9% 0.170 274.7);

Tailwind

colors: {
  custom: {
    50: '#786abb',
    500: '#30319d',
    950: '#000000',
  },
}

SCSS

$custom: #30319d;
$custom-light: #786abb;
$custom-dark: #000000;

JSON

{
  "hex": "#30319d",
  "rgb": {
    "r": 48,
    "g": 49,
    "b": 157
  },
  "hsl": {
    "h": 239.45,
    "s": 53.171,
    "l": 40.196
  },
  "oklch": {
    "l": 0.38936,
    "c": 0.17007,
    "h": 274.7
  },
  "luminance": 0.05259
}

Semantic roles & 50–950 ramp

primary

#30319D

secondary

#BCBB6D

accent

#DB4BDD

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #30319D

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

Preview Lab → · Contrast checker → · Palette generator →