#45399B#45399B

#45399B is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.7% C 0.153 H 283.1°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#45399B
RGB	rgb(69, 57, 155)
HSL	hsl(247, 46%, 42%)
HSV	hsv(247, 63%, 61%)
CMYK	cmyk(55.5%, 63.2%, 0%, 39.2%)
CIE-LAB	lab(30.78, 33.09, -51.98)
CIE-LCH	lch(30.78, 61.61, 302.48°)
OKLab	oklab(41.71% 0.0346 -0.1492)
OKLCH	oklch(41.71% 0.153 283.1)
XYZ	xyz(9.8320, 6.5574, 31.7516)
Luminance	0.0656 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45399B #8F9B39

analogous

#395E9B #45399B #76399B

triadic

#45399B #9B4539 #399B45

tetradic

#45399B #9B395E #8F9B39 #399B76

square

#45399B #9B395E #8F9B39 #399B76

split-complementary

#45399B #9B7639 #5E9B39

monochromatic

#1D1842 #31296E #45399B #5F52BF #897FD0

Accessibility & contrast

On white

9.08

#45399B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#45399B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #45399B

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45399B	#FFFFFF	#000000	##FFFFFF
##45399B	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9E

Deuteranopia (green-blind)

#004599

Tritanopia (blue-blind)

#1E5164

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #45399b;
/* rgb */ color: rgb(69, 57, 155);
/* oklch */ color: oklch(41.7% 0.153 283.1);

Tailwind

colors: {
  custom: {
    50: '#8170b9',
    500: '#45399b',
    950: '#000000',
  },
}

SCSS

$custom: #45399b;
$custom-light: #8170b9;
$custom-dark: #000000;

JSON

{
  "hex": "#45399b",
  "rgb": {
    "r": 69,
    "g": 57,
    "b": 155
  },
  "hsl": {
    "h": 247.347,
    "s": 46.226,
    "l": 41.569
  },
  "oklch": {
    "l": 0.41709,
    "c": 0.15316,
    "h": 283.1
  },
  "luminance": 0.06558
}

Semantic roles & 50–950 ramp

primary

#45399B

secondary

#B1B977

accent

#D652C6

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #45399B

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

Preview Lab → · Contrast checker → · Palette generator →