#1A113F
Closest named color: Dark Indigo (#1F0954). oklch(22.2% 0.083 286.4), rgb(26, 17, 63).
Aa
White text reads best on this color (17.56:1).
About this color
#1A113F is a very dark, moderately saturated purple. In OKLCH its lightness is 22%, its chroma 0.083 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.042 away. White text reads best on it, at 17.56:1.
| Hue family | Purples |
| Lightness | very dark (22%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.19:1 |
| White text | 17.56:1 |
Values
| HEX | #1A113F |
| RGB | rgb(26, 17, 63) |
| HSL | hsl(252, 58%, 16%) |
| OKLCH | oklch(22.2% 0.083 286.4) |
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 #1A113F | 17.56:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #1A113F | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #1A113F text on white | 17.56:1 | AAA | Lc 104.2 | Preferred for body text |
| #1A113F text on black | 1.19:1 | 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
#F4F4FE
oklch(97% 0.013 286.1)
-
Step 100
100
#E8E7FD
oklch(93.5% 0.03 287.9)
-
Step 200
200
#D6D4FD
oklch(88.5% 0.056 287.4)
-
Step 300
300
#BBB7FE
oklch(80.8% 0.1 286.5)
-
Step 400
400
#9A8FFD
oklch(70.7% 0.157 286.2)
-
Step 500
500
#856EFB
oklch(63.2% 0.202 286.6)
-
Step 600
600
#7050EA
oklch(55.5% 0.22 286.4)
-
Step 700
700
#5F3FCC
oklch(49.1% 0.205 286.6)
-
Step 800
800
#4D36A5
oklch(42.8% 0.169 286.4)
-
Step 900
900
#3F3183
oklch(37.8% 0.132 286.1)
-
Step 950
950 (this color)
#1A113F
oklch(22.2% 0.083 286.4)
#1A113F 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) | #001A40 | 0.042 |
| Deuteranopia (no green cones) | #00183E | 0.041 |
| Tritanopia (no blue cones) | #0C1C26 | 0.068 |
| Achromatopsia (no color) | #191919 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A113F
#1A113F
oklch(22.2% 0.083 286.4)
- #1E1C00
#1E1C00
oklch(22.2% 0.047 105.9)
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 #1A113F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.042
- Navy Blue #001146 ΔE 0.044
- Midnight Purple #280137 ΔE 0.049
- Very Dark Purple #2A0134 ΔE 0.054
- Night Blue #040348 ΔE 0.058
- Rich Black #0D1B2A ΔE 0.058
- Dark Purple #35063E ΔE 0.063
- Oxford Blue #1B263B ΔE 0.067
Use #1A113F 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.