#34309B#34309B

#34309B is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.9% C 0.168 H 276.9°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#34309B
RGB	rgb(52, 48, 155)
HSL	hsl(242, 53%, 40%)
HSV	hsv(242, 69%, 61%)
CMYK	cmyk(66.5%, 69%, 0%, 39.2%)
CIE-LAB	lab(27.32, 35.86, -57.67)
CIE-LCH	lch(27.32, 67.91, 301.87°)
OKLab	oklab(38.85% 0.02 -0.1664)
OKLCH	oklch(38.85% 0.168 276.9)
XYZ	xyz(8.3876, 5.2098, 31.5676)
Luminance	0.0521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#34309B #979B30

analogous

#30629B #34309B #6A309B

triadic

#34309B #9B3430 #309B34

tetradic

#34309B #9B3062 #979B30 #309B6A

square

#34309B #9B3062 #979B30 #309B6A

split-complementary

#34309B #9B6A30 #629B30

monochromatic

#15133E #24226C #34309B #4843C5 #7672D3

Accessibility & contrast

On white

10.28

#34309B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#34309B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #34309B

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##34309B	#FFFFFF	#000000	##FFFFFF
##34309B	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459E

Deuteranopia (green-blind)

#003C99

Tritanopia (blue-blind)

#004C61

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #34309b;
/* rgb */ color: rgb(52, 48, 155);
/* oklch */ color: oklch(38.9% 0.168 276.9);

Tailwind

colors: {
  custom: {
    50: '#7969b9',
    500: '#34309b',
    950: '#000000',
  },
}

SCSS

$custom: #34309b;
$custom-light: #7969b9;
$custom-dark: #000000;

JSON

{
  "hex": "#34309b",
  "rgb": {
    "r": 52,
    "g": 48,
    "b": 155
  },
  "hsl": {
    "h": 242.243,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.38854,
    "c": 0.16764,
    "h": 276.9
  },
  "luminance": 0.05211
}

Semantic roles & 50–950 ramp

primary

#34309B

secondary

#B8BB6C

accent

#DC4CD7

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #34309B

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

Preview Lab → · Contrast checker → · Palette generator →