#30307D#30307D

#30307D is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.8% C 0.127 H 277.8°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#30307D
RGB	rgb(48, 48, 125)
HSL	hsl(240, 45%, 34%)
HSV	hsv(240, 62%, 49%)
CMYK	cmyk(61.6%, 61.6%, 0%, 51%)
CIE-LAB	lab(24.39, 24.71, -43.85)
CIE-LCH	lch(24.39, 50.34, 299.40°)
OKLab	oklab(35.82% 0.0174 -0.126)
OKLCH	oklch(35.82% 0.127 277.8)
XYZ	xyz(5.9764, 4.2225, 19.8982)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30307D #7D7D30

analogous

#30577D #30307D #57307D

triadic

#30307D #7D3030 #307D30

tetradic

#30307D #7D3057 #7D7D30 #307D57

square

#30307D #7D3057 #7D7D30 #307D57

split-complementary

#30307D #7D5730 #577D30

monochromatic

#0E0E25 #1F1F51 #30307D #4141A9 #6464C3

Accessibility & contrast

On white

11.38

#30307D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#30307D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30307D

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30307D	#FFFFFF	#000000	##FFFFFF
##30307D	1.00	11.38	1.84	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D80

Deuteranopia (green-blind)

#00377B

Tritanopia (blue-blind)

#004351

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #30307d;
/* rgb */ color: rgb(48, 48, 125);
/* oklch */ color: oklch(35.8% 0.127 277.8);

Tailwind

colors: {
  custom: {
    50: '#7168a3',
    500: '#30307d',
    950: '#000000',
  },
}

SCSS

$custom: #30307d;
$custom-light: #7168a3;
$custom-dark: #000000;

JSON

{
  "hex": "#30307d",
  "rgb": {
    "r": 48,
    "g": 48,
    "b": 125
  },
  "hsl": {
    "h": 240,
    "s": 44.509,
    "l": 33.922
  },
  "oklch": {
    "l": 0.35823,
    "c": 0.12719,
    "h": 277.8
  },
  "luminance": 0.04223
}

Semantic roles & 50–950 ramp

primary

#30307D

secondary

#ABAB5E

accent

#D454D4

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #30307D

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

Preview Lab → · Contrast checker → · Palette generator →