#1B134D#1B134D
#1B134D is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 24.1% C 0.101 H 281.9°. Best body text is #FFFFFF at 16.84:1 contrast (WCAG AA passes).
Color values
| HEX | #1B134D |
|---|---|
| RGB | rgb(27, 19, 77) |
| HSL | hsl(248, 60%, 19%) |
| HSV | hsv(248, 75%, 30%) |
| CMYK | cmyk(64.9%, 75.3%, 0%, 69.8%) |
| CIE-LAB | lab(10.81, 23.03, -34.47) |
| CIE-LCH | lch(10.81, 41.46, 303.75°) |
| OKLab | oklab(24.1% 0.0209 -0.0993) |
| OKLCH | oklch(24.1% 0.101 281.9) |
| XYZ | xyz(2.0240, 1.2344, 7.1514) |
| Luminance | 0.0123 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark Indigo
#1F0954
ΔE00 3.66
Navy Blue (survey)
#001146
ΔE00 3.95
Night Blue
#040348
ΔE00 4.29
Midnight Blue (survey)
#020035
ΔE00 5.88
Dark Blue
#00035B
ΔE00 6.11
Dark Navy
#000435
ΔE00 6.20
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B134D #454D13
analogous
#13284D #1B134D #38134D
triadic
#1B134D #4D1B13 #134D1B
tetradic
#1B134D #4D1328 #454D13 #134D38
square
#1B134D #4D1328 #454D13 #134D38
split-complementary
#1B134D #4D3813 #284D13
monochromatic
#090619 #0A071C #1B134D #2C1F7E #3D2BAF
Accessibility & contrast
On white
16.84
#1B134D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.25
#1B134D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1B134D
16.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B134D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B134D | 1.00 | 16.84 | 1.25 | 16.84 |
| #FFFFFF | 16.84 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.25 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.84 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001F4F
Deuteranopia (green-blind)
#001B4C
Tritanopia (blue-blind)
#00222E
Achromatopsia (no color)
#1D1D1D
Design tokens & code
CSS
--color: #1b134d; /* rgb */ color: rgb(27, 19, 77); /* oklch */ color: oklch(24.1% 0.101 281.9);
Tailwind
colors: {
custom: {
50: '#5e517f',
500: '#1b134d',
950: '#000000',
},
}SCSS
$custom: #1b134d; $custom-light: #5e517f; $custom-dark: #000000;
JSON
{
"hex": "#1b134d",
"rgb": {
"r": 27,
"g": 19,
"b": 77
},
"hsl": {
"h": 248.276,
"s": 60.417,
"l": 18.824
},
"oklch": {
"l": 0.24098,
"c": 0.10145,
"h": 281.9
},
"luminance": 0.01235
}Semantic roles & 50–950 ramp
primary
#1B134D
secondary
#7B8636
accent
#E444CE
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#05020A
muted
#79787C