#122121
Closest named color: Jet (#212529). oklch(23.4% 0.02 195.8), rgb(18, 33, 33).
Aa
White text reads best on this color (16.59:1).
About this color
#122121 is a very dark close to neutral grey. In OKLCH its lightness is 23%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.032 away. White text reads best on it, at 16.59:1.
| Hue family | Neutrals |
| Lightness | very dark (23%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.26:1 |
| White text | 16.59:1 |
Values
| HEX | #122121 |
| RGB | rgb(18, 33, 33) |
| HSL | hsl(180, 29%, 10%) |
| OKLCH | oklch(23.4% 0.02 195.8) |
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 #122121 | 16.59:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #122121 | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #122121 text on white | 16.59:1 | AAA | Lc 103.5 | Preferred for body text |
| #122121 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEB
oklch(93.6% 0.006 197)
-
Step 200
200
#D0DCDC
oklch(88.5% 0.013 196.9)
-
Step 300
300
#AFC6C6
oklch(80.9% 0.025 196.7)
-
Step 400
400
#85A9A8
oklch(70.8% 0.039 194.2)
-
Step 500
500
#659393
oklch(63% 0.05 196)
-
Step 600
600
#4B7D7D
oklch(55.5% 0.054 195.7)
-
Step 700
700
#3C6A6A
oklch(49.2% 0.051 195.6)
-
Step 800
800
#325656
oklch(42.6% 0.042 195.7)
-
Step 900
900
#2D4747
oklch(37.7% 0.032 195.9)
-
Step 950
950 (this color)
#122121
oklch(23.4% 0.02 195.8)
#122121 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) | #1F2021 | 0.021 |
| Deuteranopia (no green cones) | #1C1E21 | 0.018 |
| Tritanopia (no blue cones) | #0C2221 | 0.008 |
| Achromatopsia (no color) | #1E1E1E | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #122121
#122121
oklch(23.4% 0.02 195.8)
- #271A1B
#271A1B
oklch(23.5% 0.021 13.7)
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 #122121, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.032
- Rich Black #0D1B2A ΔE 0.034
- Dark #1B2431 ΔE 0.035
- Oxford Blue #1B263B ΔE 0.052
- Rich Navy #001219 ΔE 0.067
- Dark Brown #341C02 ΔE 0.072
- Dark Forest Green #002D04 ΔE 0.076
- Very Dark Green #062E03 ΔE 0.078
Use #122121 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.