#24399E#24399E

#24399E is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.8% C 0.165 H 268.5°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#24399E
RGB	rgb(36, 57, 158)
HSL	hsl(230, 63%, 38%)
HSV	hsv(230, 77%, 62%)
CMYK	cmyk(77.2%, 63.9%, 0%, 38%)
CIE-LAB	lab(28.82, 29.16, -57.08)
CIE-LCH	lch(28.82, 64.10, 297.06°)
OKLab	oklab(39.78% -0.0045 -0.1651)
OKLCH	oklch(39.78% 0.165 268.5)
XYZ	xyz(8.3601, 5.7690, 33.0141)
Luminance	0.0577 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#24399E #9E8924

analogous

#24769E #24399E #4C249E

triadic

#24399E #9E2439 #399E24

tetradic

#24399E #9E2476 #9E8924 #249E4C

square

#24399E #9E2476 #9E8924 #249E4C

split-complementary

#24399E #9E4C24 #769E24

monochromatic

#0D153A #19276C #24399E #2F4BD0 #6176DB

Accessibility & contrast

On white

9.75

#24399E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#24399E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #24399E

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##24399E	#FFFFFF	#000000	##FFFFFF
##24399E	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA1

Deuteranopia (green-blind)

#003E9C

Tritanopia (blue-blind)

#005366

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #24399e;
/* rgb */ color: rgb(36, 57, 158);
/* oklch */ color: oklch(39.8% 0.165 268.5);

Tailwind

colors: {
  custom: {
    50: '#736fbc',
    500: '#24399e',
    950: '#000000',
  },
}

SCSS

$custom: #24399e;
$custom-light: #736fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#24399e",
  "rgb": {
    "r": 36,
    "g": 57,
    "b": 158
  },
  "hsl": {
    "h": 229.672,
    "s": 62.887,
    "l": 38.039
  },
  "oklch": {
    "l": 0.39777,
    "c": 0.16512,
    "h": 268.5
  },
  "luminance": 0.0577
}

Semantic roles & 50–950 ramp

primary

#24399E

secondary

#C0AF5E

accent

#CA42E6

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #24399E

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

Preview Lab → · Contrast checker → · Palette generator →