#10111B
Closest named color: Rich Navy (#001219). oklch(18.2% 0.021 279.7), rgb(16, 17, 27).
Aa
White text reads best on this color (18.78:1).
About this color
#10111B is a very dark close to neutral grey. In OKLCH its lightness is 18%, its chroma 0.021. 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 18.78:1.
| Hue family | Neutrals |
| Lightness | very dark (18%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.11:1 |
| White text | 18.78:1 |
Values
| HEX | #10111B |
| RGB | rgb(16, 17, 27) |
| HSL | hsl(235, 26%, 8%) |
| OKLCH | oklch(18.2% 0.021 279.7) |
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 #10111B | 18.78:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #10111B | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #10111B text on white | 18.78:1 | AAA | Lc 105.3 | Preferred for body text |
| #10111B 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E9E9EF
oklch(93.6% 0.008 286.2)
-
Step 200
200
#D7D8E2
oklch(88.4% 0.014 281.5)
-
Step 300
300
#BDBFD1
oklch(80.9% 0.025 280.8)
-
Step 400
400
#9B9EB9
oklch(70.6% 0.039 280.3)
-
Step 500
500
#8387A8
oklch(63.2% 0.05 279.5)
-
Step 600
600
#6C7093
oklch(55.5% 0.054 279.4)
-
Step 700
700
#5B5E7D
oklch(49.2% 0.05 280.1)
-
Step 800
800
#4A4D66
oklch(42.8% 0.042 279.2)
-
Step 900
900
#3E4053
oklch(37.7% 0.033 280)
-
Step 950
950 (this color)
#10111B
oklch(18.2% 0.021 279.7)
#10111B 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) | #0E121B | 0.005 |
| Deuteranopia (no green cones) | #0E111B | 0.004 |
| Tritanopia (no blue cones) | #0D1314 | 0.020 |
| Achromatopsia (no color) | #121212 | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #10111B
#10111B
oklch(18.2% 0.021 279.7)
- #141208
#141208
oklch(18.1% 0.019 98.4)
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 #10111B, 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 0.037
- Rich Black #0D1B2A ΔE 0.041
- Very Dark Brown #1D0200 ΔE 0.072
- Dark #1B2431 ΔE 0.077
- Midnight #03012D ΔE 0.078
- Dark Navy #000435 ΔE 0.079
- Dark Navy Blue #00022E ΔE 0.080
Use #10111B 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.