#1B114F#1B114F
#1B114F is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 24.0% C 0.107 H 282.1°. Best body text is #FFFFFF at 16.94:1 contrast (WCAG AA passes).
Color values
| HEX | #1B114F |
|---|---|
| RGB | rgb(27, 17, 79) |
| HSL | hsl(250, 65%, 19%) |
| HSV | hsv(250, 78%, 31%) |
| CMYK | cmyk(65.8%, 78.5%, 0%, 69%) |
| CIE-LAB | lab(10.54, 25.06, -36.28) |
| CIE-LCH | lch(10.54, 44.10, 304.63°) |
| OKLab | oklab(23.97% 0.0224 -0.1046) |
| OKLCH | oklch(23.97% 0.107 282.1) |
| XYZ | xyz(2.0633, 1.1983, 7.5182) |
| Luminance | 0.0120 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark Indigo
#1F0954
ΔE00 2.76
Night Blue
#040348
ΔE00 3.77
Navy Blue (survey)
#001146
ΔE00 4.33
Dark Blue
#00035B
ΔE00 5.30
Darkblue (survey)
#030764
ΔE00 5.59
Midnight Blue
#191970
ΔE00 6.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B114F #454F11
analogous
#11264F #1B114F #3A114F
triadic
#1B114F #4F1B11 #114F1B
tetradic
#1B114F #4F1126 #454F11 #114F3A
square
#1B114F #4F1126 #454F11 #114F3A
split-complementary
#1B114F #4F3A11 #264F11
monochromatic
#090519 #0A061D #1B114F #2C1C81 #3D27B4
Accessibility & contrast
On white
16.94
#1B114F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.24
#1B114F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1B114F
16.94:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B114F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B114F | 1.00 | 16.94 | 1.24 | 16.94 |
| #FFFFFF | 16.94 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.24 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.94 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001F51
Deuteranopia (green-blind)
#001A4E
Tritanopia (blue-blind)
#00222E
Achromatopsia (no color)
#1D1D1D
Design tokens & code
CSS
--color: #1b114f; /* rgb */ color: rgb(27, 17, 79); /* oklch */ color: oklch(24.0% 0.107 282.1);
Tailwind
colors: {
custom: {
50: '#5f5081',
500: '#1b114f',
950: '#000000',
},
}SCSS
$custom: #1b114f; $custom-light: #5f5081; $custom-dark: #000000;
JSON
{
"hex": "#1b114f",
"rgb": {
"r": 27,
"g": 17,
"b": 79
},
"hsl": {
"h": 249.677,
"s": 64.583,
"l": 18.824
},
"oklch": {
"l": 0.23973,
"c": 0.10693,
"h": 282.1
},
"luminance": 0.01198
}Semantic roles & 50–950 ramp
primary
#1B114F
secondary
#7B8833
accent
#E840CD
background
#F5F4F7
surface
#EAE7EE
border
#C6C3C9
text
#05020A
muted
#79787C