#30309C#30309C

#30309C is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.7% C 0.170 H 275.0°. Best body text is #FFFFFF at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#30309C
RGB	rgb(48, 48, 156)
HSL	hsl(240, 53%, 40%)
HSV	hsv(240, 69%, 61%)
CMYK	cmyk(69.2%, 69.2%, 0%, 38.8%)
CIE-LAB	lab(27.14, 35.67, -58.60)
CIE-LCH	lch(27.14, 68.61, 301.33°)
OKLab	oklab(38.67% 0.0148 -0.1693)
OKLCH	oklch(38.67% 0.17 275)
XYZ	xyz(8.2746, 5.1418, 32.0024)
Luminance	0.0514 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30309C #9C9C30

analogous

#30669C #30309C #66309C

triadic

#30309C #9C3030 #309C30

tetradic

#30309C #9C3066 #9C9C30 #309C66

square

#30309C #9C3066 #9C9C30 #309C66

split-complementary

#30309C #9C6630 #669C30

monochromatic

#13133E #22226D #30309C #4444C5 #7373D4

Accessibility & contrast

On white

10.35

#30309C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#30309C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30309C

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30309C	#FFFFFF	#000000	##FFFFFF
##30309C	1.00	10.35	2.03	10.35
#FFFFFF	10.35	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459F

Deuteranopia (green-blind)

#003B9A

Tritanopia (blue-blind)

#004D62

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #30309c;
/* rgb */ color: rgb(48, 48, 156);
/* oklch */ color: oklch(38.7% 0.170 275.0);

Tailwind

colors: {
  custom: {
    50: '#7769ba',
    500: '#30309c',
    950: '#000000',
  },
}

SCSS

$custom: #30309c;
$custom-light: #7769ba;
$custom-dark: #000000;

JSON

{
  "hex": "#30309c",
  "rgb": {
    "r": 48,
    "g": 48,
    "b": 156
  },
  "hsl": {
    "h": 240,
    "s": 52.941,
    "l": 40
  },
  "oklch": {
    "l": 0.38673,
    "c": 0.16992,
    "h": 275
  },
  "luminance": 0.05143
}

Semantic roles & 50–950 ramp

primary

#30309C

secondary

#BCBC6C

accent

#DC4BDC

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #30309C

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

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