#13221C
Closest named color: Jet (#212529). oklch(23.6% 0.024 167.3), rgb(19, 34, 28).
Aa
White text reads best on this color (16.49:1).
About this color
#13221C is a very dark close to neutral grey. In OKLCH its lightness is 24%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.035 away. White text reads best on it, at 16.49:1.
| Hue family | Neutrals |
| Lightness | very dark (24%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.27:1 |
| White text | 16.49:1 |
Values
| HEX | #13221C |
| RGB | rgb(19, 34, 28) |
| HSL | hsl(156, 28%, 10%) |
| OKLCH | oklch(23.6% 0.024 167.3) |
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 #13221C | 16.49:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #13221C | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #13221C text on white | 16.49:1 | AAA | Lc 103.4 | Preferred for body text |
| #13221C text on black | 1.27:1 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5ECE9
oklch(93.7% 0.008 168.7)
-
Step 200
200
#D0DDD7
oklch(88.6% 0.016 166.7)
-
Step 300
300
#B0C7BD
oklch(80.9% 0.029 167.6)
-
Step 400
400
#86AA9B
oklch(70.7% 0.045 167.7)
-
Step 500
500
#679582
oklch(63.1% 0.058 166.9)
-
Step 600
600
#4D7F6C
oklch(55.5% 0.062 167.9)
-
Step 700
700
#3E6B5A
oklch(49% 0.057 167.8)
-
Step 800
800
#34584A
oklch(42.8% 0.048 167.4)
-
Step 900
900
#2E483D
oklch(37.7% 0.037 166.1)
-
Step 950
950 (this color)
#13221C
oklch(23.6% 0.024 167.3)
#13221C 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) | #21201C | 0.024 |
| Deuteranopia (no green cones) | #1F1E1C | 0.024 |
| Tritanopia (no blue cones) | #0F2220 | 0.009 |
| Achromatopsia (no color) | #1F1F1F | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #13221C
#13221C
oklch(23.6% 0.024 167.3)
- #271A20
#271A20
oklch(23.7% 0.023 349.7)
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 #13221C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.035
- Dark #1B2431 ΔE 0.043
- Rich Black #0D1B2A ΔE 0.045
- Oxford Blue #1B263B ΔE 0.060
- Dark Forest Green #002D04 ΔE 0.066
- Dark Brown #341C02 ΔE 0.066
- Very Dark Green #062E03 ΔE 0.068
- Rich Navy #001219 ΔE 0.072
Use #13221C 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.