#1D186A#1D186A
#1D186A is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.3% C 0.136 H 276.0°. Best body text is #FFFFFF at 15.10:1 contrast (WCAG AA passes).
Color values
| HEX | #1D186A |
|---|---|
| RGB | rgb(29, 24, 106) |
| HSL | hsl(244, 63%, 25%) |
| HSV | hsv(244, 77%, 42%) |
| CMYK | cmyk(72.6%, 77.4%, 0%, 58.4%) |
| CIE-LAB | lab(15.25, 30.60, -46.66) |
| CIE-LCH | lch(15.25, 55.80, 303.26°) |
| OKLab | oklab(28.25% 0.0141 -0.1348) |
| OKLCH | oklch(28.25% 0.136 276) |
| XYZ | xyz(3.4340, 1.9548, 13.8292) |
| Luminance | 0.0196 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Midnight Blue
#191970
ΔE00 1.15
Darkblue (survey)
#030764
ΔE00 4.07
Dark Royal Blue
#02066F
ΔE00 4.34
Dark Indigo
#1F0954
ΔE00 4.89
Deep Blue
#040273
ΔE00 5.08
Dark Blue
#00035B
ΔE00 5.27
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1D186A #656A18
analogous
#183C6A #1D186A #46186A
triadic
#1D186A #6A1D18 #186A1D
tetradic
#1D186A #6A183C #656A18 #186A46
square
#1D186A #6A183C #656A18 #186A46
split-complementary
#1D186A #6A4618 #3C6A18
monochromatic
#070619 #0F0D38 #1D186A #2B239C #382FCE
Accessibility & contrast
On white
15.10
#1D186A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.39
#1D186A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1D186A
15.10:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1D186A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1D186A | 1.00 | 15.10 | 1.39 | 15.10 |
| #FFFFFF | 15.10 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.39 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 15.10 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#002A6C
Deuteranopia (green-blind)
#002369
Tritanopia (blue-blind)
#002F3F
Achromatopsia (no color)
#262626
Design tokens & code
CSS
--color: #1d186a; /* rgb */ color: rgb(29, 24, 106); /* oklch */ color: oklch(28.3% 0.136 276.0);
Tailwind
colors: {
custom: {
50: '#665696',
500: '#1d186a',
950: '#000000',
},
}SCSS
$custom: #1d186a; $custom-light: #665696; $custom-dark: #000000;
JSON
{
"hex": "#1d186a",
"rgb": {
"r": 29,
"g": 24,
"b": 106
},
"hsl": {
"h": 243.659,
"s": 63.077,
"l": 25.49
},
"oklch": {
"l": 0.28253,
"c": 0.13559,
"h": 276
},
"luminance": 0.01955
}Semantic roles & 50–950 ramp
primary
#1D186A
secondary
#9AA03E
accent
#E642DC
background
#F6F5F9
surface
#EBE9F2
border
#C6C5CC
text
#07030D
muted
#7A787E