#11102D
Closest named color: Rich Black (#0D1B2A). oklch(19.4% 0.057 281.3), rgb(17, 16, 45).
Aa
White text reads best on this color (18.48:1).
About this color
#11102D is a very dark, muted purple. In OKLCH its lightness is 19%, its chroma 0.057 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.040 away. White text reads best on it, at 18.48:1.
| Hue family | Purples |
| Lightness | very dark (19%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.13:1 |
| White text | 18.48:1 |
Values
| HEX | #11102D |
| RGB | rgb(17, 16, 45) |
| HSL | hsl(242, 48%, 12%) |
| OKLCH | oklch(19.4% 0.057 281.3) |
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 #11102D | 18.48:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #11102D | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #11102D text on white | 18.48:1 | AAA | Lc 105.0 | Preferred for body text |
| #11102D text on black | 1.13:1 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E9F7
oklch(93.7% 0.019 279.5)
-
Step 200
200
#D4D7F2
oklch(88.5% 0.037 280.6)
-
Step 300
300
#B8BCEC
oklch(80.8% 0.068 281)
-
Step 400
400
#9598E2
oklch(70.6% 0.108 281.5)
-
Step 500
500
#7C7DDA
oklch(63% 0.138 281.2)
-
Step 600
600
#6665C7
oklch(55.6% 0.148 280.9)
-
Step 700
700
#5553AC
oklch(49.1% 0.138 281)
-
Step 800
800
#46448B
oklch(42.6% 0.115 281.6)
-
Step 900
900
#3A3A6F
oklch(37.6% 0.089 281.2)
-
Step 950
950 (this color)
#11102D
oklch(19.4% 0.057 281.3)
#11102D 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) | #03152E | 0.025 |
| Deuteranopia (no green cones) | #02132C | 0.025 |
| Tritanopia (no blue cones) | #06161C | 0.048 |
| Achromatopsia (no color) | #141414 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #11102D
#11102D
oklch(19.4% 0.057 281.3)
- #191500
#191500
oklch(19.5% 0.041 100.4)
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 #11102D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.040
- Rich Navy #001219 ΔE 0.054
- Navy Blue #001146 ΔE 0.054
- Dark Navy #000435 ΔE 0.056
- Midnight #03012D ΔE 0.062
- Midnight Purple #280137 ΔE 0.063
- Dark Navy Blue #00022E ΔE 0.064
- Very Dark Blue #000133 ΔE 0.066
Use #11102D 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.