#39289B#39289B

#39289B is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.0% C 0.176 H 280.7°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#39289B
RGB	rgb(57, 40, 155)
HSL	hsl(249, 59%, 38%)
HSV	hsv(249, 74%, 61%)
CMYK	cmyk(63.2%, 74.2%, 0%, 39.2%)
CIE-LAB	lab(26.02, 41.25, -59.80)
CIE-LCH	lch(26.02, 72.64, 304.59°)
OKLab	oklab(38.02% 0.0327 -0.1725)
OKLCH	oklch(38.02% 0.176 280.7)
XYZ	xyz(8.3607, 4.7534, 31.4809)
Luminance	0.0475 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39289B #8A9B28

analogous

#28509B #39289B #72289B

triadic

#39289B #9B3928 #289B39

tetradic

#39289B #9B2850 #8A9B28 #289B72

square

#39289B #9B2850 #8A9B28 #289B72

split-complementary

#39289B #9B7228 #509B28

monochromatic

#150F3A #271B6A #39289B #4B35CB #7766D7

Accessibility & contrast

On white

10.76

#39289B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#39289B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39289B

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39289B	#FFFFFF	#000000	##FFFFFF
##39289B	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429E

Deuteranopia (green-blind)

#003999

Tritanopia (blue-blind)

#00485F

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #39289b;
/* rgb */ color: rgb(57, 40, 155);
/* oklch */ color: oklch(38.0% 0.176 280.7);

Tailwind

colors: {
  custom: {
    50: '#7c64ba',
    500: '#39289b',
    950: '#000000',
  },
}

SCSS

$custom: #39289b;
$custom-light: #7c64ba;
$custom-dark: #000000;

JSON

{
  "hex": "#39289b",
  "rgb": {
    "r": 57,
    "g": 40,
    "b": 155
  },
  "hsl": {
    "h": 248.87,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.38023,
    "c": 0.17558,
    "h": 280.7
  },
  "luminance": 0.04754
}

Semantic roles & 50–950 ramp

primary

#39289B

secondary

#B0BD61

accent

#E246CB

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0512

muted

#7C7A81

Preview Lab

Preview with #39289B

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

Preview Lab → · Contrast checker → · Palette generator →