#131B54#131B54
#131B54 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.7% C 0.103 H 271.0°. Best body text is #FFFFFF at 16.00:1 contrast (WCAG AA passes).
Color values
| HEX | #131B54 |
|---|---|
| RGB | rgb(19, 27, 84) |
| HSL | hsl(233, 63%, 20%) |
| HSV | hsv(233, 77%, 33%) |
| CMYK | cmyk(77.4%, 67.9%, 0%, 67.1%) |
| CIE-LAB | lab(13.00, 18.79, -35.71) |
| CIE-LCH | lch(13.00, 40.35, 297.75°) |
| OKLab | oklab(25.74% 0.0018 -0.1031) |
| OKLCH | oklch(25.74% 0.103 271) |
| XYZ | xyz(2.2602, 1.5622, 8.5682) |
| Luminance | 0.0156 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue (survey)
#001146
ΔE00 3.40
Navy (survey)
#01153E
ΔE00 4.72
Midnight Blue
#191970
ΔE00 5.73
Night Blue
#040348
ΔE00 6.24
Dark Indigo
#1F0954
ΔE00 6.37
Dark Navy
#000435
ΔE00 6.53
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#131B54 #544C13
analogous
#133C54 #131B54 #2B1354
triadic
#131B54 #54131B #1B5413
tetradic
#131B54 #54133C #544C13 #13542B
square
#131B54 #54133C #544C13 #13542B
split-complementary
#131B54 #542B13 #3C5413
monochromatic
#060819 #080B22 #131B54 #1E2B86 #2A3BB8
Accessibility & contrast
On white
16.00
#131B54 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.31
#131B54 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #131B54
16.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##131B54 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##131B54 | 1.00 | 16.00 | 1.31 | 16.00 |
| #FFFFFF | 16.00 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.31 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.00 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#002556
Deuteranopia (green-blind)
#001F53
Tritanopia (blue-blind)
#002A34
Achromatopsia (no color)
#222222
Design tokens & code
CSS
--color: #131b54; /* rgb */ color: rgb(19, 27, 84); /* oklch */ color: oklch(25.7% 0.103 271.0);
Tailwind
colors: {
custom: {
50: '#5c5785',
500: '#131b54',
950: '#000000',
},
}SCSS
$custom: #131b54; $custom-light: #5c5785; $custom-dark: #000000;
JSON
{
"hex": "#131b54",
"rgb": {
"r": 19,
"g": 27,
"b": 84
},
"hsl": {
"h": 232.615,
"s": 63.107,
"l": 20.196
},
"oklch": {
"l": 0.25742,
"c": 0.10313,
"h": 271
},
"luminance": 0.01562
}Semantic roles & 50–950 ramp
primary
#131B54
secondary
#8C8236
accent
#D242E6
background
#F5F5F8
surface
#E9E9EF
border
#C5C5CA
text
#04030B
muted
#79787C