#39309B#39309B

#39309B is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.2% C 0.167 H 279.2°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#39309B
RGB	rgb(57, 48, 155)
HSL	hsl(245, 53%, 40%)
HSV	hsv(245, 69%, 61%)
CMYK	cmyk(63.2%, 69%, 0%, 39.2%)
CIE-LAB	lab(27.71, 36.58, -57.03)
CIE-LCH	lch(27.71, 67.75, 302.68°)
OKLab	oklab(39.23% 0.0266 -0.1644)
OKLCH	oklch(39.23% 0.167 279.2)
XYZ	xyz(8.6588, 5.3497, 31.5803)
Luminance	0.0535 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39309B #929B30

analogous

#305C9B #39309B #6F309B

triadic

#39309B #9B3930 #309B39

tetradic

#39309B #9B305C #929B30 #309B6F

square

#39309B #9B305C #929B30 #309B6F

split-complementary

#39309B #9B6F30 #5C9B30

monochromatic

#17133E #28226C #39309B #4E43C5 #7A72D3

Accessibility & contrast

On white

10.14

#39309B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#39309B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39309B

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39309B	#FFFFFF	#000000	##FFFFFF
##39309B	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469E

Deuteranopia (green-blind)

#003D99

Tritanopia (blue-blind)

#004C61

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #39309b;
/* rgb */ color: rgb(57, 48, 155);
/* oklch */ color: oklch(39.2% 0.167 279.2);

Tailwind

colors: {
  custom: {
    50: '#7b69b9',
    500: '#39309b',
    950: '#000000',
  },
}

SCSS

$custom: #39309b;
$custom-light: #7b69b9;
$custom-dark: #000000;

JSON

{
  "hex": "#39309b",
  "rgb": {
    "r": 57,
    "g": 48,
    "b": 155
  },
  "hsl": {
    "h": 245.047,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.3923,
    "c": 0.16655,
    "h": 279.2
  },
  "luminance": 0.0535
}

Semantic roles & 50–950 ramp

primary

#39309B

secondary

#B4BB6C

accent

#DC4CD0

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #39309B

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

Preview Lab → · Contrast checker → · Palette generator →