#39307B#39307B

#39307B is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.4% C 0.123 H 283.9°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#39307B
RGB	rgb(57, 48, 123)
HSL	hsl(247, 44%, 34%)
HSV	hsv(247, 61%, 48%)
CMYK	cmyk(53.7%, 61%, 0%, 51.8%)
CIE-LAB	lab(24.99, 25.85, -41.58)
CIE-LCH	lch(24.99, 48.96, 301.87°)
OKLab	oklab(36.41% 0.0295 -0.119)
OKLCH	oklch(36.41% 0.123 283.9)
XYZ	xyz(6.3184, 4.4135, 19.2540)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39307B #727B30

analogous

#304C7B #39307B #5E307B

triadic

#39307B #7B3930 #307B39

tetradic

#39307B #7B304C #727B30 #307B5E

square

#39307B #7B304C #727B30 #307B5E

split-complementary

#39307B #7B5E30 #4C7B30

monochromatic

#100E23 #251F4F #39307B #4D41A7 #6F63C2

Accessibility & contrast

On white

11.15

#39307B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#39307B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39307B

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39307B	#FFFFFF	#000000	##FFFFFF
##39307B	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E7D

Deuteranopia (green-blind)

#003979

Tritanopia (blue-blind)

#1F4150

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #39307b;
/* rgb */ color: rgb(57, 48, 123);
/* oklch */ color: oklch(36.4% 0.123 283.9);

Tailwind

colors: {
  custom: {
    50: '#7568a2',
    500: '#39307b',
    950: '#000000',
  },
}

SCSS

$custom: #39307b;
$custom-light: #7568a2;
$custom-dark: #000000;

JSON

{
  "hex": "#39307b",
  "rgb": {
    "r": 57,
    "g": 48,
    "b": 123
  },
  "hsl": {
    "h": 247.2,
    "s": 43.86,
    "l": 33.529
  },
  "oklch": {
    "l": 0.36407,
    "c": 0.12265,
    "h": 283.9
  },
  "luminance": 0.04414
}

Semantic roles & 50–950 ramp

primary

#39307B

secondary

#A0A95D

accent

#D454C4

background

#F7F6FA

surface

#EDEBF3

border

#C8C6CD

text

#09060F

muted

#7B7A7F

Preview Lab

Preview with #39307B

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

Preview Lab → · Contrast checker → · Palette generator →