#1F1925
Closest named color: Rich Black (#0D1B2A). oklch(22.6% 0.024 307.3), rgb(31, 25, 37).
Aa
White text reads best on this color (17.15:1).
About this color
#1F1925 is a very dark close to neutral grey. In OKLCH its lightness is 23%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.031 away. White text reads best on it, at 17.15:1.
| Hue family | Neutrals |
| Lightness | very dark (23%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.22:1 |
| White text | 17.15:1 |
Values
| HEX | #1F1925 |
| RGB | rgb(31, 25, 37) |
| HSL | hsl(270, 19%, 12%) |
| OKLCH | oklch(22.6% 0.024 307.3) |
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 #1F1925 | 17.15:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #1F1925 | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #1F1925 text on white | 17.15:1 | AAA | Lc 104.0 | Preferred for body text |
| #1F1925 text on black | 1.22:1 | 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
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#EBE8EE
oklch(93.5% 0.009 308.4)
-
Step 200
200
#DCD6E2
oklch(88.4% 0.017 308.2)
-
Step 300
300
#C5BCD0
oklch(80.9% 0.029 306)
-
Step 400
400
#A899B8
oklch(70.6% 0.047 307)
-
Step 500
500
#9380A6
oklch(63.1% 0.06 307.4)
-
Step 600
600
#7D6991
oklch(55.5% 0.065 307.2)
-
Step 700
700
#6A587B
oklch(49.2% 0.059 307.8)
-
Step 800
800
#564864
oklch(42.7% 0.049 307.2)
-
Step 900
900
#473C52
oklch(37.7% 0.039 307.3)
-
Step 950
950 (this color)
#1F1925
oklch(22.6% 0.024 307.3)
#1F1925 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) | #171B26 | 0.016 |
| Deuteranopia (no green cones) | #181B25 | 0.014 |
| Tritanopia (no blue cones) | #1E1B1D | 0.020 |
| Achromatopsia (no color) | #1B1B1B | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F1925
#1F1925
oklch(22.6% 0.024 307.3)
- #191E12
#191E12
oklch(22.6% 0.023 126.6)
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 #1F1925, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.031
- Dark #1B2431 ΔE 0.039
- Jet #212529 ΔE 0.042
- Oxford Blue #1B263B ΔE 0.053
- Rich Navy #001219 ΔE 0.069
- Dark Brown #341C02 ΔE 0.074
- Eggplant #380835 ΔE 0.076
- Very Dark Purple #2A0134 ΔE 0.077
Use #1F1925 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.