#101219
Closest named color: Rich Navy (#001219). oklch(18.3% 0.015 272.4), rgb(16, 18, 25).
Aa
White text reads best on this color (18.70:1).
About this color
#101219 is a very dark close to neutral grey. In OKLCH its lightness is 18%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.029 away. White text reads best on it, at 18.70:1.
| Hue family | Neutrals |
| Lightness | very dark (18%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.12:1 |
| White text | 18.70:1 |
Values
| HEX | #101219 |
| RGB | rgb(16, 18, 25) |
| HSL | hsl(227, 22%, 8%) |
| OKLCH | oklch(18.3% 0.015 272.4) |
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 #101219 | 18.70:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #101219 | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #101219 text on white | 18.70:1 | AAA | Lc 105.2 | Preferred for body text |
| #101219 text on black | 1.12:1 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E8EAED
oklch(93.6% 0.005 258.3)
-
Step 200
200
#D7D9E0
oklch(88.6% 0.01 273.3)
-
Step 300
300
#BCC0CC
oklch(80.8% 0.017 271.2)
-
Step 400
400
#9AA0B3
oklch(70.7% 0.028 271.7)
-
Step 500
500
#8289A0
oklch(63.2% 0.035 272)
-
Step 600
600
#6B728B
oklch(55.5% 0.04 272.8)
-
Step 700
700
#596076
oklch(49.1% 0.036 271.2)
-
Step 800
800
#494E60
oklch(42.6% 0.031 272.9)
-
Step 900
900
#3D414E
oklch(37.7% 0.023 271.8)
-
Step 950
950 (this color)
#101219
oklch(18.3% 0.015 272.4)
#101219 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) | #101319 | 0.004 |
| Deuteranopia (no green cones) | #0F1219 | 0.002 |
| Tritanopia (no blue cones) | #0E1314 | 0.013 |
| Achromatopsia (no color) | #121212 | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
This color is close to neutral, so it has no meaningful hue to rotate. Hue harmonies are omitted.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #101219, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.029
- Almost Black #070D0D ΔE 0.035
- Rich Black #0D1B2A ΔE 0.041
- Very Dark Brown #1D0200 ΔE 0.071
- Dark #1B2431 ΔE 0.076
- Jet #212529 ΔE 0.079
- Midnight #03012D ΔE 0.084
- Dark Navy #000435 ΔE 0.084
Use #101219 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.