#24399B#24399B
#24399B is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.5% C 0.161 H 268.4°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).
Color values
| HEX | #24399B |
|---|---|
| RGB | rgb(36, 57, 155) |
| HSL | hsl(229, 62%, 37%) |
| HSV | hsv(229, 77%, 61%) |
| CMYK | cmyk(76.8%, 63.2%, 0%, 39.2%) |
| CIE-LAB | lab(28.56, 28.02, -55.69) |
| CIE-LCH | lch(28.56, 62.35, 296.71°) |
| OKLab | oklab(39.5% -0.0044 -0.161) |
| OKLCH | oklch(39.5% 0.161 268.4) |
| XYZ | xyz(8.1050, 5.6670, 31.6707) |
| Luminance | 0.0567 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.38
Blueberry
#464196
ΔE00 5.09
Cobalt
#0047AB
ΔE00 5.66
Darkslateblue
#483D8B
ΔE00 6.29
Blue Blue
#2242C7
ΔE00 6.36
Cobalt (survey)
#1E488F
ΔE00 6.47
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#24399B #9B8624
analogous
#24749B #24399B #4B249B
triadic
#24399B #9B2439 #399B24
tetradic
#24399B #9B2474 #9B8624 #249B4B
square
#24399B #9B2474 #9B8624 #249B4B
split-complementary
#24399B #9B4B24 #749B24
monochromatic
#0D1438 #182769 #24399B #304BCD #5F75DA
Accessibility & contrast
On white
9.84
#24399B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.13
#24399B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #24399B
9.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##24399B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##24399B | 1.00 | 9.84 | 2.13 | 9.84 |
| #FFFFFF | 9.84 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.13 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.84 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00499E
Deuteranopia (green-blind)
#003E99
Tritanopia (blue-blind)
#005264
Achromatopsia (no color)
#434343
Design tokens & code
CSS
--color: #24399b; /* rgb */ color: rgb(36, 57, 155); /* oklch */ color: oklch(39.5% 0.161 268.4);
Tailwind
colors: {
custom: {
50: '#726fb9',
500: '#24399b',
950: '#000000',
},
}SCSS
$custom: #24399b; $custom-light: #726fb9; $custom-dark: #000000;
JSON
{
"hex": "#24399b",
"rgb": {
"r": 36,
"g": 57,
"b": 155
},
"hsl": {
"h": 229.412,
"s": 62.304,
"l": 37.451
},
"oklch": {
"l": 0.39499,
"c": 0.16105,
"h": 268.4
},
"luminance": 0.05668
}Semantic roles & 50–950 ramp
primary
#24399B
secondary
#BFAD5C
accent
#C942E5
background
#F7F6FB
surface
#EDECF6
border
#C8C7D0
text
#090712
muted
#7B7A81