#100D22
Closest named color: Rich Navy (#001219). oklch(17.6% 0.042 287.8), rgb(16, 13, 34).
Aa
White text reads best on this color (19.04:1).
About this color
#100D22 is a very dark, muted purple. In OKLCH its lightness is 18%, its chroma 0.042 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.041 away. White text reads best on it, at 19.04:1.
| Hue family | Purples |
| Lightness | very dark (18%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.10:1 |
| White text | 19.04:1 |
Values
| HEX | #100D22 |
| RGB | rgb(16, 13, 34) |
| HSL | hsl(249, 45%, 9%) |
| OKLCH | oklch(17.6% 0.042 287.8) |
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 #100D22 | 19.04:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #100D22 | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #100D22 text on white | 19.04:1 | AAA | Lc 105.4 | Preferred for body text |
| #100D22 text on black | 1.10:1 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E9F3
oklch(93.7% 0.013 286.1)
-
Step 200
200
#D8D7EB
oklch(88.6% 0.027 288.1)
-
Step 300
300
#BEBCE0
oklch(80.9% 0.05 287.8)
-
Step 400
400
#9D99D0
oklch(70.6% 0.08 287.5)
-
Step 500
500
#867FC4
oklch(63.1% 0.103 287.7)
-
Step 600
600
#7068B1
oklch(55.7% 0.111 287.2)
-
Step 700
700
#5E5698
oklch(49.1% 0.104 287.5)
-
Step 800
800
#4D467B
oklch(42.6% 0.086 288.2)
-
Step 900
900
#403B63
oklch(37.6% 0.068 288.4)
-
Step 950
950 (this color)
#100D22
oklch(17.6% 0.042 287.8)
#100D22 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) | #061023 | 0.020 |
| Deuteranopia (no green cones) | #060F22 | 0.019 |
| Tritanopia (no blue cones) | #0B1115 | 0.036 |
| Achromatopsia (no color) | #101010 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #100D22
#100D22
oklch(17.6% 0.042 287.8)
- #121200
#121200
oklch(17.6% 0.038 109.8)
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 #100D22, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.041
- Rich Black #0D1B2A ΔE 0.049
- Almost Black #070D0D ΔE 0.050
- Midnight #03012D ΔE 0.060
- Dark Navy #000435 ΔE 0.061
- Dark Navy Blue #00022E ΔE 0.063
- Very Dark Blue #000133 ΔE 0.068
- Midnight Purple #280137 ΔE 0.074
Use #100D22 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.