#131722
Closest named color: Rich Black (#0D1B2A). oklch(20.6% 0.023 268.9), rgb(19, 23, 34).
Aa
White text reads best on this color (17.89:1).
About this color
#131722 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 17.89:1.
| 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 | 17.89:1 |
Values
| HEX | #131722 |
| RGB | rgb(19, 23, 34) |
| HSL | hsl(224, 28%, 10%) |
| OKLCH | oklch(20.6% 0.023 268.9) |
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 #131722 | 17.89:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #131722 | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #131722 text on white | 17.89:1 | AAA | Lc 104.7 | Preferred for body text |
| #131722 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
#E8EAEF
oklch(93.7% 0.007 268.5)
-
Step 200
200
#D5D9E3
oklch(88.5% 0.014 268.5)
-
Step 300
300
#B9C0D3
oklch(80.8% 0.028 269.6)
-
Step 400
400
#95A0BC
oklch(70.7% 0.043 268.4)
-
Step 500
500
#7B89AC
oklch(63.2% 0.055 267.8)
-
Step 600
600
#657297
oklch(55.6% 0.06 269.4)
-
Step 700
700
#536081
oklch(49.2% 0.056 267.7)
-
Step 800
800
#444E69
oklch(42.6% 0.047 268.6)
-
Step 900
900
#3A4155
oklch(37.7% 0.036 269.6)
-
Step 950
950 (this color)
#131722
oklch(20.6% 0.023 268.9)
#131722 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) | #121722 | 0.002 |
| Tritanopia (no blue cones) | #0F191B | 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°).
- #131722
#131722
oklch(20.6% 0.023 268.9)
- #1C170B
#1C170B
oklch(20.7% 0.023 87.7)
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 #131722, 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 0.043
- Dark #1B2431 ΔE 0.052
- Almost Black #070D0D ΔE 0.058
- Jet #212529 ΔE 0.058
- Oxford Blue #1B263B ΔE 0.066
- Navy Blue #001146 ΔE 0.080
- Very Dark Purple #2A0134 ΔE 0.086
Use #131722 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.