#221317
Closest named color: Rich Black (#0D1B2A). oklch(20.9% 0.026 2.2), rgb(34, 19, 23).
Aa
White text reads best on this color (17.89:1).
About this color
#221317 is a very dark close to neutral grey. In OKLCH its lightness is 21%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.052 away. White text reads best on it, at 17.89:1.
| Hue family | Neutrals |
| Lightness | very dark (21%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.17:1 |
| White text | 17.89:1 |
Values
| HEX | #221317 |
| RGB | rgb(34, 19, 23) |
| HSL | hsl(344, 28%, 10%) |
| OKLCH | oklch(20.9% 0.026 2.2) |
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 #221317 | 17.89:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #221317 | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #221317 text on white | 17.89:1 | AAA | Lc 104.6 | Preferred for body text |
| #221317 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
#F8F4F5
oklch(97.1% 0.004 360)
-
Step 100
100
#EFE7E9
oklch(93.5% 0.009 0.1)
-
Step 200
200
#E4D5D8
oklch(88.6% 0.017 3.7)
-
Step 300
300
#D3B9BF
oklch(81% 0.031 2.2)
-
Step 400
400
#BC949E
oklch(70.7% 0.05 1.8)
-
Step 500
500
#AA7A86
oklch(63.1% 0.062 2.5)
-
Step 600
600
#956370
oklch(55.7% 0.067 2.5)
-
Step 700
700
#7F515E
oklch(49% 0.064 1.3)
-
Step 800
800
#67434D
oklch(42.7% 0.052 1.4)
-
Step 900
900
#543940
oklch(37.8% 0.04 2.1)
-
Step 950
950 (this color)
#221317
oklch(20.9% 0.026 2.2)
#221317 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) | #151617 | 0.028 |
| Deuteranopia (no green cones) | #191817 | 0.025 |
| Tritanopia (no blue cones) | #241214 | 0.007 |
| Achromatopsia (no color) | #171717 | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #221317
#221317
oklch(20.9% 0.026 2.2)
- #091C19
#091C19
oklch(20.9% 0.026 182.2)
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 #221317, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.052
- Jet #212529 ΔE 0.062
- Dark #1B2431 ΔE 0.065
- Dark Brown #341C02 ΔE 0.066
- Almost Black #070D0D ΔE 0.067
- Rich Navy #001219 ΔE 0.067
- Very Dark Brown #1D0200 ΔE 0.067
- Dark Maroon #3C0008 ΔE 0.069
Use #221317 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.