#101F16
Closest named color: Rich Black (#0D1B2A). oklch(22.2% 0.027 157), rgb(16, 31, 22).
Aa
White text reads best on this color (17.07:1).
About this color
#101F16 is a very dark close to neutral grey. In OKLCH its lightness is 22%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.047 away. White text reads best on it, at 17.07:1.
| Hue family | Neutrals |
| Lightness | very dark (22%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.22:1 |
| White text | 17.07:1 |
Values
| HEX | #101F16 |
| RGB | rgb(16, 31, 22) |
| HSL | hsl(144, 32%, 9%) |
| OKLCH | oklch(22.2% 0.027 157) |
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 #101F16 | 17.07:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #101F16 | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #101F16 text on white | 17.07:1 | AAA | Lc 103.9 | Preferred for body text |
| #101F16 text on black | 1.22:1 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E5ECE7
oklch(93.6% 0.01 155.1)
-
Step 200
200
#D0DDD4
oklch(88.5% 0.019 155.8)
-
Step 300
300
#B0C7B8
oklch(80.8% 0.033 157)
-
Step 400
400
#87AB94
oklch(70.8% 0.052 156.8)
-
Step 500
500
#68967A
oklch(63.2% 0.065 157.2)
-
Step 600
600
#4E8062
oklch(55.5% 0.072 156.8)
-
Step 700
700
#3F6C51
oklch(49% 0.066 156.6)
-
Step 800
800
#345843
oklch(42.6% 0.055 157.5)
-
Step 900
900
#2E4938
oklch(37.8% 0.044 156)
-
Step 950
950 (this color)
#101F16
oklch(22.2% 0.027 157)
#101F16 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) | #1F1D16 | 0.026 |
| Deuteranopia (no green cones) | #1C1B17 | 0.025 |
| Tritanopia (no blue cones) | #0D1F1C | 0.012 |
| Achromatopsia (no color) | #1C1C1C | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #101F16
#101F16
oklch(22.2% 0.027 157)
- #231620
#231620
oklch(22.1% 0.028 335)
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 #101F16, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.047
- Jet #212529 ΔE 0.049
- Dark #1B2431 ΔE 0.055
- Rich Navy #001219 ΔE 0.062
- Dark Forest Green #002D04 ΔE 0.067
- Dark Brown #341C02 ΔE 0.069
- Very Dark Green #062E03 ΔE 0.070
- Almost Black #070D0D ΔE 0.073
Use #101F16 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.