#170E19
Closest named color: Almost Black (#070D0D). oklch(18.1% 0.026 320.2), rgb(23, 14, 25).
Aa
White text reads best on this color (18.86:1).
About this color
#170E19 is a very dark close to neutral grey. In OKLCH its lightness is 18%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.044 away. White text reads best on it, at 18.86:1.
| Hue family | Neutrals |
| Lightness | very dark (18%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.11:1 |
| White text | 18.86:1 |
Values
| HEX | #170E19 |
| RGB | rgb(23, 14, 25) |
| HSL | hsl(289, 28%, 8%) |
| OKLCH | oklch(18.1% 0.026 320.2) |
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 #170E19 | 18.86:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #170E19 | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #170E19 text on white | 18.86:1 | AAA | Lc 105.3 | Preferred for body text |
| #170E19 text on black | 1.11:1 | 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
#F7F4F7
oklch(97% 0.005 325.6)
-
Step 100
100
#EDE8EE
oklch(93.7% 0.01 320.5)
-
Step 200
200
#DED6E0
oklch(88.5% 0.016 319.4)
-
Step 300
300
#CABBCD
oklch(81% 0.03 320.6)
-
Step 400
400
#AF97B4
oklch(70.7% 0.05 320.4)
-
Step 500
500
#9B7DA1
oklch(63% 0.063 320.7)
-
Step 600
600
#85668C
oklch(55.5% 0.068 320.1)
-
Step 700
700
#715577
oklch(49.1% 0.063 320.3)
-
Step 800
800
#5C4661
oklch(42.8% 0.052 320)
-
Step 900
900
#4C3B4F
oklch(37.8% 0.04 321.3)
-
Step 950
950 (this color)
#170E19
oklch(18.1% 0.026 320.2)
#170E19 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) | #0D1119 | 0.022 |
| Deuteranopia (no green cones) | #0F1119 | 0.019 |
| Tritanopia (no blue cones) | #170F12 | 0.016 |
| Achromatopsia (no color) | #111111 | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170E19
#170E19
oklch(18.1% 0.026 320.2)
- #0C150A
#0C150A
oklch(18.3% 0.026 140)
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 #170E19, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.044
- Rich Navy #001219 ΔE 0.045
- Rich Black #0D1B2A ΔE 0.051
- Very Dark Brown #1D0200 ΔE 0.061
- Very Dark Purple #2A0134 ΔE 0.078
- Midnight Purple #280137 ΔE 0.080
- Dark #1B2431 ΔE 0.082
- Midnight #03012D ΔE 0.083
Use #170E19 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.