#131822
Closest named color: Rich Black (#0D1B2A). oklch(20.9% 0.021 263.9), rgb(19, 24, 34).
Aa
White text reads best on this color (17.77:1).
About this color
#131822 is a very dark close to neutral grey. In OKLCH its lightness is 21%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.018 away. White text reads best on it, at 17.77:1.
| Hue family | Neutrals |
| Lightness | very dark (21%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.18:1 |
| White text | 17.77:1 |
Values
| HEX | #131822 |
| RGB | rgb(19, 24, 34) |
| HSL | hsl(220, 28%, 10%) |
| OKLCH | oklch(20.9% 0.021 263.9) |
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 #131822 | 17.77:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #131822 | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #131822 text on white | 17.77:1 | AAA | Lc 104.6 | Preferred for body text |
| #131822 text on black | 1.18:1 | 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
#D4D9E3
oklch(88.4% 0.015 264.5)
-
Step 300
300
#B8C1D2
oklch(80.9% 0.026 263.3)
-
Step 400
400
#94A1BB
oklch(70.8% 0.041 264.3)
-
Step 500
500
#7A8AAA
oklch(63.2% 0.052 264.1)
-
Step 600
600
#637395
oklch(55.6% 0.057 265)
-
Step 700
700
#52617F
oklch(49.2% 0.052 263.9)
-
Step 800
800
#434F67
oklch(42.7% 0.043 264)
-
Step 900
900
#384254
oklch(37.8% 0.034 262.1)
-
Step 950
950 (this color)
#131822
oklch(20.9% 0.021 263.9)
#131822 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) | #151922 | 0.005 |
| Deuteranopia (no green cones) | #131722 | 0.004 |
| Tritanopia (no blue cones) | #0F1A1B | 0.019 |
| Achromatopsia (no color) | #181818 | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #131822
#131822
oklch(20.9% 0.021 263.9)
- #1D170D
#1D170D
oklch(20.9% 0.021 80)
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 #131822, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.018
- Rich Navy #001219 ΔE 0.045
- Dark #1B2431 ΔE 0.050
- Jet #212529 ΔE 0.055
- Almost Black #070D0D ΔE 0.060
- Oxford Blue #1B263B ΔE 0.064
- Navy Blue #001146 ΔE 0.081
- Dark Brown #341C02 ΔE 0.087
Use #131822 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.