#30318F#30318F

#30318F is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.6% C 0.151 H 275.9°. Best body text is #FFFFFF at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#30318F
RGB	rgb(48, 49, 143)
HSL	hsl(239, 50%, 37%)
HSV	hsv(239, 66%, 56%)
CMYK	cmyk(66.4%, 65.7%, 0%, 43.9%)
CIE-LAB	lab(26.18, 30.47, -52.19)
CIE-LCH	lch(26.18, 60.43, 300.28°)
OKLab	oklab(37.61% 0.0154 -0.1505)
OKLCH	oklch(37.61% 0.151 275.9)
XYZ	xyz(7.2735, 4.8076, 26.5259)
Luminance	0.0481 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30318F #8F8E30

analogous

#30618F #30318F #5E308F

triadic

#30318F #8F3031 #318F30

tetradic

#30318F #8F3061 #8F8E30 #308F5E

square

#30318F #8F3061 #8F8E30 #308F5E

split-complementary

#30318F #8F5E30 #618F30

monochromatic

#111233 #212161 #30318F #3F41BD #6C6DCE

Accessibility & contrast

On white

10.71

#30318F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#30318F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30318F

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30318F	#FFFFFF	#000000	##FFFFFF
##30318F	1.00	10.71	1.96	10.71
#FFFFFF	10.71	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004292

Deuteranopia (green-blind)

#003A8D

Tritanopia (blue-blind)

#00495B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #30318f;
/* rgb */ color: rgb(48, 49, 143);
/* oklch */ color: oklch(37.6% 0.151 275.9);

Tailwind

colors: {
  custom: {
    50: '#7569b1',
    500: '#30318f',
    950: '#000000',
  },
}

SCSS

$custom: #30318f;
$custom-light: #7569b1;
$custom-dark: #000000;

JSON

{
  "hex": "#30318f",
  "rgb": {
    "r": 48,
    "g": 49,
    "b": 143
  },
  "hsl": {
    "h": 239.368,
    "s": 49.738,
    "l": 37.451
  },
  "oklch": {
    "l": 0.37612,
    "c": 0.15127,
    "h": 275.9
  },
  "luminance": 0.04808
}

Semantic roles & 50–950 ramp

primary

#30318F

secondary

#B5B466

accent

#D84FD9

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #30318F

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

Preview Lab → · Contrast checker → · Palette generator →