#100E23
Closest named color: Rich Navy (#001219). oklch(17.9% 0.042 285.6), rgb(16, 14, 35).
Aa
White text reads best on this color (18.93:1).
About this color
#100E23 is a very dark, muted purple. In OKLCH its lightness is 18%, its chroma 0.042 and its hue 286°. 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 18.93:1.
| 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 | 18.93:1 |
Values
| HEX | #100E23 |
| RGB | rgb(16, 14, 35) |
| HSL | hsl(246, 43%, 10%) |
| OKLCH | oklch(17.9% 0.042 285.6) |
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 #100E23 | 18.93:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #100E23 | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #100E23 text on white | 18.93:1 | AAA | Lc 105.3 | Preferred for body text |
| #100E23 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
#D7D7EB
oklch(88.5% 0.027 285.8)
-
Step 300
300
#BDBDE0
oklch(81% 0.049 285.3)
-
Step 400
400
#9C9AD1
oklch(70.8% 0.08 285.8)
-
Step 500
500
#8480C5
oklch(63.1% 0.103 285.7)
-
Step 600
600
#6E68B1
oklch(55.5% 0.111 285.9)
-
Step 700
700
#5C5798
oklch(49.2% 0.102 285.5)
-
Step 800
800
#4B477C
oklch(42.7% 0.086 285.6)
-
Step 900
900
#3E3C63
oklch(37.7% 0.066 285.1)
-
Step 950
950 (this color)
#100E23
oklch(17.9% 0.042 285.6)
#100E23 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) | #061124 | 0.019 |
| Deuteranopia (no green cones) | #061023 | 0.018 |
| Tritanopia (no blue cones) | #0A1216 | 0.036 |
| Achromatopsia (no color) | #111111 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #100E23
#100E23
oklch(17.9% 0.042 285.6)
- #141200
#141200
oklch(17.9% 0.038 104.7)
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 #100E23, 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 0.045
- Almost Black #070D0D ΔE 0.051
- Midnight #03012D ΔE 0.061
- Dark Navy #000435 ΔE 0.062
- Dark Navy Blue #00022E ΔE 0.064
- Very Dark Blue #000133 ΔE 0.069
- Navy Blue #001146 ΔE 0.072
Use #100E23 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.