#1B2010
Closest named color: Jet (#212529). oklch(23.3% 0.03 122.8), rgb(27, 32, 16).
Aa
White text reads best on this color (16.65:1).
About this color
#1B2010 is a very dark close to neutral grey. In OKLCH its lightness is 23%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.046 away. White text reads best on it, at 16.65:1.
| Hue family | Neutrals |
| Lightness | very dark (23%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.26:1 |
| White text | 16.65:1 |
Values
| HEX | #1B2010 |
| RGB | rgb(27, 32, 16) |
| HSL | hsl(79, 33%, 9%) |
| OKLCH | oklch(23.3% 0.03 122.8) |
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 #1B2010 | 16.65:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #1B2010 | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #1B2010 text on white | 16.65:1 | AAA | Lc 103.6 | Preferred for body text |
| #1B2010 text on black | 1.26:1 | 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
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#E8EBE4
oklch(93.6% 0.01 125.7)
-
Step 200
200
#D6DBCD
oklch(88.4% 0.02 122.9)
-
Step 300
300
#BCC5AC
oklch(81% 0.036 123.3)
-
Step 400
400
#9AA780
oklch(70.8% 0.057 122.8)
-
Step 500
500
#819160
oklch(63.1% 0.072 123.1)
-
Step 600
600
#6B7B46
oklch(55.6% 0.078 122.7)
-
Step 700
700
#596737
oklch(49% 0.072 122.4)
-
Step 800
800
#49542E
oklch(42.6% 0.06 122.1)
-
Step 900
900
#3D4629
oklch(37.8% 0.048 122.7)
-
Step 950
950 (this color)
#1B2010
oklch(23.3% 0.03 122.8)
#1B2010 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) | #221E0F | 0.014 |
| Deuteranopia (no green cones) | #211E11 | 0.013 |
| Tritanopia (no blue cones) | #1C1F1C | 0.023 |
| Achromatopsia (no color) | #1E1E1E | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B2010
#1B2010
oklch(23.3% 0.03 122.8)
- #201A29
#201A29
oklch(23.2% 0.03 302.5)
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 #1B2010, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.046
- Dark Brown #341C02 ΔE 0.050
- Dark #1B2431 ΔE 0.059
- Rich Black #0D1B2A ΔE 0.061
- Dark Forest Green #002D04 ΔE 0.062
- Very Dark Green #062E03 ΔE 0.063
- Oxford Blue #1B263B ΔE 0.077
- Chocolate Brown #411900 ΔE 0.079
Use #1B2010 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.