#121722
Closest named color: Rich Black (#0D1B2A). oklch(20.5% 0.023 265.5), rgb(18, 23, 34).
Aa
White text reads best on this color (17.92:1).
About this color
#121722 is a very dark close to neutral grey. In OKLCH its lightness is 21%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.019 away. White text reads best on it, at 17.92:1.
| Hue family | Neutrals |
| Lightness | very dark (21%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.17:1 |
| White text | 17.92:1 |
Values
| HEX | #121722 |
| RGB | rgb(18, 23, 34) |
| HSL | hsl(221, 31%, 10%) |
| OKLCH | oklch(20.5% 0.023 265.5) |
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 #121722 | 17.92:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #121722 | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #121722 text on white | 17.92:1 | AAA | Lc 104.7 | Preferred for body text |
| #121722 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAEF
oklch(93.6% 0.007 260.7)
-
Step 200
200
#D4D9E4
oklch(88.5% 0.016 266.3)
-
Step 300
300
#B8C1D3
oklch(81% 0.027 264.4)
-
Step 400
400
#93A1BD
oklch(70.8% 0.044 264.2)
-
Step 500
500
#7989AD
oklch(63.1% 0.058 266.1)
-
Step 600
600
#627398
oklch(55.6% 0.061 265.3)
-
Step 700
700
#516082
oklch(49.1% 0.058 265.9)
-
Step 800
800
#424F69
oklch(42.7% 0.047 263.9)
-
Step 900
900
#384156
oklch(37.6% 0.038 266.6)
-
Step 950
950 (this color)
#121722
oklch(20.5% 0.023 265.5)
#121722 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) | #131822 | 0.004 |
| Deuteranopia (no green cones) | #121622 | 0.004 |
| Tritanopia (no blue cones) | #0D191B | 0.020 |
| Achromatopsia (no color) | #171717 | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #121722
#121722
oklch(20.5% 0.023 265.5)
- #1C160A
#1C160A
oklch(20.4% 0.024 83.9)
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 #121722, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.019
- Rich Navy #001219 ΔE 0.042
- Dark #1B2431 ΔE 0.053
- Almost Black #070D0D ΔE 0.057
- Jet #212529 ΔE 0.059
- Oxford Blue #1B263B ΔE 0.067
- Navy Blue #001146 ΔE 0.079
- Dark Navy #000435 ΔE 0.085
Use #121722 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.