#1A113C
Closest named color: Navy Blue (#001146). oklch(21.9% 0.079 287.7), rgb(26, 17, 60).
Aa
White text reads best on this color (17.65:1).
About this color
#1A113C is a very dark, moderately saturated purple. In OKLCH its lightness is 22%, its chroma 0.079 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.046 away. White text reads best on it, at 17.65:1.
| Hue family | Purples |
| Lightness | very dark (22%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.18:1 |
| White text | 17.65:1 |
Values
| HEX | #1A113C |
| RGB | rgb(26, 17, 60) |
| HSL | hsl(253, 56%, 15%) |
| OKLCH | oklch(21.9% 0.079 287.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #1A113C | 17.65:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #1A113C | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #1A113C text on white | 17.65:1 | AAA | Lc 104.3 | Preferred for body text |
| #1A113C text on black | 1.18:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E8E7FC
oklch(93.5% 0.028 288)
-
Step 200
200
#D6D4FA
oklch(88.4% 0.052 287.7)
-
Step 300
300
#BDB8FA
oklch(81% 0.093 287.6)
-
Step 400
400
#9D8FF8
oklch(70.7% 0.15 288)
-
Step 500
500
#8770F4
oklch(63.2% 0.19 287.7)
-
Step 600
600
#7253E3
oklch(55.5% 0.208 287.5)
-
Step 700
700
#6042C5
oklch(49% 0.193 287.6)
-
Step 800
800
#4E389F
oklch(42.7% 0.159 287.5)
-
Step 900
900
#40327F
oklch(37.7% 0.125 287.2)
-
Step 950
950 (this color)
#1A113C
oklch(21.9% 0.079 287.7)
#1A113C with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #001A3D | 0.043 |
| Deuteranopia (no green cones) | #00173B | 0.041 |
| Tritanopia (no blue cones) | #0E1B24 | 0.065 |
| Achromatopsia (no color) | #191919 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A113C
#1A113C
oklch(21.9% 0.079 287.7)
- #1D1C00
#1D1C00
oklch(22% 0.047 107.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1A113C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.046
- Dark Indigo #1F0954 ΔE 0.047
- Midnight Purple #280137 ΔE 0.047
- Very Dark Purple #2A0134 ΔE 0.052
- Rich Black #0D1B2A ΔE 0.054
- Night Blue #040348 ΔE 0.060
- Dark Purple #35063E ΔE 0.063
- Oxford Blue #1B263B ΔE 0.067
Use #1A113C in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.