#39309F#39309F

#39309F is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.6% C 0.172 H 278.7°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#39309F
RGB	rgb(57, 48, 159)
HSL	hsl(245, 54%, 41%)
HSV	hsv(245, 70%, 62%)
CMYK	cmyk(64.2%, 69.8%, 0%, 37.6%)
CIE-LAB	lab(28.08, 37.91, -58.86)
CIE-LCH	lch(28.08, 70.01, 302.78°)
OKLab	oklab(39.61% 0.026 -0.1698)
OKLCH	oklch(39.61% 0.172 278.7)
XYZ	xyz(9.0003, 5.4863, 33.3788)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39309F #969F30

analogous

#305E9F #39309F #70309F

triadic

#39309F #9F3930 #309F39

tetradic

#39309F #9F305E #969F30 #309F70

square

#39309F #9F305E #969F30 #309F70

split-complementary

#39309F #9F7030 #5E9F30

monochromatic

#171441 #282270 #39309F #5045C7 #7C74D5

Accessibility & contrast

On white

10.01

#39309F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#39309F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39309F

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39309F	#FFFFFF	#000000	##FFFFFF
##39309F	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A2

Deuteranopia (green-blind)

#003E9D

Tritanopia (blue-blind)

#004E63

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #39309f;
/* rgb */ color: rgb(57, 48, 159);
/* oklch */ color: oklch(39.6% 0.172 278.7);

Tailwind

colors: {
  custom: {
    50: '#7c69bc',
    500: '#39309f',
    950: '#000000',
  },
}

SCSS

$custom: #39309f;
$custom-light: #7c69bc;
$custom-dark: #000000;

JSON

{
  "hex": "#39309f",
  "rgb": {
    "r": 57,
    "g": 48,
    "b": 159
  },
  "hsl": {
    "h": 244.865,
    "s": 53.623,
    "l": 40.588
  },
  "oklch": {
    "l": 0.39608,
    "c": 0.17175,
    "h": 278.7
  },
  "luminance": 0.05487
}

Semantic roles & 50–950 ramp

primary

#39309F

secondary

#B7BD6E

accent

#DD4BD1

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #39309F

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

Preview Lab → · Contrast checker → · Palette generator →