#15388F#15388F
#15388F is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.6% C 0.150 H 263.9°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).
Color values
| HEX | #15388F |
|---|---|
| RGB | rgb(21, 56, 143) |
| HSL | hsl(223, 74%, 32%) |
| HSV | hsv(223, 85%, 56%) |
| CMYK | cmyk(85.3%, 60.8%, 0%, 43.9%) |
| CIE-LAB | lab(26.65, 22.50, -51.48) |
| CIE-LCH | lch(26.65, 56.18, 293.61°) |
| OKLab | oklab(37.59% -0.0159 -0.1489) |
| OKLCH | oklch(37.59% 0.15 263.9) |
| XYZ | xyz(6.6796, 4.9701, 26.5886) |
| Luminance | 0.0497 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 4.63
Darkish Blue
#014182
ΔE00 5.33
Cobalt (survey)
#1E488F
ΔE00 5.47
Cobalt
#0047AB
ΔE00 5.81
Twilight Blue
#0A437A
ΔE00 6.51
Marine Blue
#01386A
ΔE00 6.53
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#15388F #8F6C15
analogous
#15758F #15388F #2F158F
triadic
#15388F #8F1538 #388F15
tetradic
#15388F #8F1575 #8F6C15 #158F2F
square
#15388F #8F1575 #8F6C15 #158F2F
split-complementary
#15388F #8F2F15 #758F15
monochromatic
#050E24 #0D235A #15388F #1D4DC4 #3C6CE2
Accessibility & contrast
On white
10.53
#15388F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.99
#15388F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #15388F
10.53:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##15388F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##15388F | 1.00 | 10.53 | 1.99 | 10.53 |
| #FFFFFF | 10.53 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.99 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.53 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004592
Deuteranopia (green-blind)
#003A8D
Tritanopia (blue-blind)
#004E5E
Achromatopsia (no color)
#3F3F3F
Design tokens & code
CSS
--color: #15388f; /* rgb */ color: rgb(21, 56, 143); /* oklch */ color: oklch(37.6% 0.150 263.9);
Tailwind
colors: {
custom: {
50: '#6a6eb1',
500: '#15388f',
950: '#000000',
},
}SCSS
$custom: #15388f; $custom-light: #6a6eb1; $custom-dark: #000000;
JSON
{
"hex": "#15388f",
"rgb": {
"r": 21,
"g": 56,
"b": 143
},
"hsl": {
"h": 222.787,
"s": 74.39,
"l": 32.157
},
"oklch": {
"l": 0.37592,
"c": 0.14975,
"h": 263.9
},
"luminance": 0.04971
}Semantic roles & 50–950 ramp
primary
#15388F
secondary
#C29C3E
accent
#BC37F1
background
#F6F6FB
surface
#ECEBF6
border
#C7C6D0
text
#080711
muted
#7A7A80