#101A13
Closest named color: Rich Black (#0D1B2A). oklch(20.5% 0.02 153.8), rgb(16, 26, 19).
Aa
White text reads best on this color (17.80:1).
About this color
#101A13 is a very dark close to neutral grey. In OKLCH its lightness is 21%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.045 away. White text reads best on it, at 17.80:1.
| Hue family | Neutrals |
| Lightness | very dark (21%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.17:1 |
| White text | 17.80:1 |
Values
| HEX | #101A13 |
| RGB | rgb(16, 26, 19) |
| HSL | hsl(138, 24%, 8%) |
| OKLCH | oklch(20.5% 0.02 153.8) |
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 #101A13 | 17.80:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #101A13 | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #101A13 text on white | 17.80:1 | AAA | Lc 104.6 | Preferred for body text |
| #101A13 text on black | 1.17:1 | 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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E6EBE8
oklch(93.5% 0.007 160.1)
-
Step 200
200
#D3DCD5
oklch(88.6% 0.014 152.6)
-
Step 300
300
#B5C5BA
oklch(80.8% 0.023 155.8)
-
Step 400
400
#8FA896
oklch(70.7% 0.038 154)
-
Step 500
500
#73937C
oklch(63.2% 0.05 153.6)
-
Step 600
600
#5B7D65
oklch(55.7% 0.054 153.7)
-
Step 700
700
#4B6954
oklch(49.1% 0.049 153.8)
-
Step 800
800
#3D5645
oklch(42.7% 0.041 154.6)
-
Step 900
900
#35473A
oklch(37.8% 0.032 153.3)
-
Step 950
950 (this color)
#101A13
oklch(20.5% 0.02 153.8)
#101A13 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) | #1A1813 | 0.019 |
| Deuteranopia (no green cones) | #181713 | 0.017 |
| Tritanopia (no blue cones) | #0E1A18 | 0.010 |
| Achromatopsia (no color) | #181818 | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #101A13
#101A13
oklch(20.5% 0.02 153.8)
- #1D141B
#1D141B
oklch(20.6% 0.02 334.2)
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 #101A13, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.045
- Rich Navy #001219 ΔE 0.047
- Almost Black #070D0D ΔE 0.055
- Jet #212529 ΔE 0.061
- Dark #1B2431 ΔE 0.065
- Dark Brown #341C02 ΔE 0.075
- Dark Forest Green #002D04 ΔE 0.082
- Oxford Blue #1B263B ΔE 0.083
Use #101A13 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.