#39339F#39339F

#39339F is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.1% C 0.168 H 278.1°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#39339F
RGB	rgb(57, 51, 159)
HSL	hsl(243, 51%, 41%)
HSV	hsv(243, 68%, 62%)
CMYK	cmyk(64.2%, 67.9%, 0%, 37.6%)
CIE-LAB	lab(28.75, 36.09, -57.76)
CIE-LCH	lch(28.75, 68.11, 302.00°)
OKLab	oklab(40.09% 0.0237 -0.1666)
OKLCH	oklch(40.09% 0.168 278.1)
XYZ	xyz(9.1272, 5.7400, 33.4211)
Luminance	0.0574 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.92

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39339F #999F33

analogous

#33639F #39339F #6F339F

triadic

#39339F #9F3933 #339F39

tetradic

#39339F #9F3363 #999F33 #339F6F

square

#39339F #9F3363 #999F33 #339F6F

split-complementary

#39339F #9F6F33 #639F33

monochromatic

#181542 #282471 #39339F #514AC5 #7E79D4

Accessibility & contrast

On white

9.78

#39339F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#39339F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39339F

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39339F	#FFFFFF	#000000	##FFFFFF
##39339F	1.00	9.78	2.15	9.78
#FFFFFF	9.78	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A2

Deuteranopia (green-blind)

#003F9D

Tritanopia (blue-blind)

#004F64

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #39339f;
/* rgb */ color: rgb(57, 51, 159);
/* oklch */ color: oklch(40.1% 0.168 278.1);

Tailwind

colors: {
  custom: {
    50: '#7c6bbc',
    500: '#39339f',
    950: '#000000',
  },
}

SCSS

$custom: #39339f;
$custom-light: #7c6bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#39339f",
  "rgb": {
    "r": 57,
    "g": 51,
    "b": 159
  },
  "hsl": {
    "h": 243.333,
    "s": 51.429,
    "l": 41.176
  },
  "oklch": {
    "l": 0.40091,
    "c": 0.16823,
    "h": 278.1
  },
  "luminance": 0.05741
}

Semantic roles & 50–950 ramp

primary

#39339F

secondary

#B8BC71

accent

#DB4DD3

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #39339F

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

Preview Lab → · Contrast checker → · Palette generator →