#13307F#13307F
#13307F is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.4% C 0.138 H 264.6°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).
Color values
| HEX | #13307F |
|---|---|
| RGB | rgb(19, 48, 127) |
| HSL | hsl(224, 74%, 29%) |
| HSV | hsv(224, 85%, 50%) |
| CMYK | cmyk(85%, 62.2%, 0%, 50.2%) |
| CIE-LAB | lab(22.94, 21.40, -47.55) |
| CIE-LCH | lch(22.94, 52.14, 294.23°) |
| OKLab | oklab(34.37% -0.013 -0.1375) |
| OKLCH | oklch(34.37% 0.138 264.6) |
| XYZ | xyz(5.1549, 3.7840, 20.5333) |
| Luminance | 0.0379 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Marine
#042E60
ΔE00 5.53
Marine Blue
#01386A
ΔE00 6.25
Darkish Blue
#014182
ΔE00 6.83
Sapphire (survey)
#2138AB
ΔE00 6.83
Midnight Blue
#191970
ΔE00 7.31
Twilight Blue
#0A437A
ΔE00 7.83
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#13307F #7F6213
analogous
#13667F #13307F #2C137F
triadic
#13307F #7F1330 #307F13
tetradic
#13307F #7F1366 #7F6213 #137F2C
square
#13307F #7F1366 #7F6213 #137F2C
split-complementary
#13307F #7F2C13 #667F13
monochromatic
#040A1B #0B1C4A #13307F #1B44B4 #2D5DE0
Accessibility & contrast
On white
11.95
#13307F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.76
#13307F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #13307F
11.95:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##13307F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##13307F | 1.00 | 11.95 | 1.76 | 11.95 |
| #FFFFFF | 11.95 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.76 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.95 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003C82
Deuteranopia (green-blind)
#00327D
Tritanopia (blue-blind)
#004452
Achromatopsia (no color)
#373737
Design tokens & code
CSS
--color: #13307f; /* rgb */ color: rgb(19, 48, 127); /* oklch */ color: oklch(34.4% 0.138 264.6);
Tailwind
colors: {
custom: {
50: '#6667a5',
500: '#13307f',
950: '#000000',
},
}SCSS
$custom: #13307f; $custom-light: #6667a5; $custom-dark: #000000;
JSON
{
"hex": "#13307f",
"rgb": {
"r": 19,
"g": 48,
"b": 127
},
"hsl": {
"h": 223.889,
"s": 73.973,
"l": 28.627
},
"oklch": {
"l": 0.34366,
"c": 0.13814,
"h": 264.6
},
"luminance": 0.03785
}Semantic roles & 50–950 ramp
primary
#13307F
secondary
#B49339
accent
#BF37F1
background
#F6F6FA
surface
#EBEBF4
border
#C6C6CE
text
#07060F
muted
#7A7A7F