#24309B#24309B

#24309B is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.9% C 0.172 H 270.4°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#24309B
RGB	rgb(36, 48, 155)
HSL	hsl(234, 62%, 37%)
HSV	hsv(234, 77%, 61%)
CMYK	cmyk(76.8%, 69%, 0%, 39.2%)
CIE-LAB	lab(26.32, 33.94, -59.37)
CIE-LCH	lch(26.32, 68.38, 299.76°)
OKLab	oklab(37.86% 0.0011 -0.1718)
OKLCH	oklch(37.86% 0.172 270.4)
XYZ	xyz(7.6989, 4.8547, 31.5353)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#24309B #9B8F24

analogous

#246B9B #24309B #54249B

triadic

#24309B #9B2430 #309B24

tetradic

#24309B #9B246B #9B8F24 #249B54

square

#24309B #9B246B #9B8F24 #249B54

split-complementary

#24309B #9B5424 #6B9B24

monochromatic

#0D1138 #182169 #24309B #303FCD #5F6CDA

Accessibility & contrast

On white

10.65

#24309B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#24309B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #24309B

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##24309B	#FFFFFF	#000000	##FFFFFF
##24309B	1.00	10.65	1.97	10.65
#FFFFFF	10.65	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449E

Deuteranopia (green-blind)

#003999

Tritanopia (blue-blind)

#004D61

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #24309b;
/* rgb */ color: rgb(36, 48, 155);
/* oklch */ color: oklch(37.9% 0.172 270.4);

Tailwind

colors: {
  custom: {
    50: '#7368ba',
    500: '#24309b',
    950: '#000000',
  },
}

SCSS

$custom: #24309b;
$custom-light: #7368ba;
$custom-dark: #000000;

JSON

{
  "hex": "#24309b",
  "rgb": {
    "r": 36,
    "g": 48,
    "b": 155
  },
  "hsl": {
    "h": 233.95,
    "s": 62.304,
    "l": 37.451
  },
  "oklch": {
    "l": 0.37858,
    "c": 0.17179,
    "h": 270.4
  },
  "luminance": 0.04856
}

Semantic roles & 50–950 ramp

primary

#24309B

secondary

#BFB55C

accent

#D542E5

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #24309B

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

Preview Lab → · Contrast checker → · Palette generator →