#1F2F2D
Closest named color: Jet (#212529). oklch(29% 0.022 186.4), rgb(31, 47, 45).
Aa
White text reads best on this color (13.97:1).
About this color
#1F2F2D is a dark close to neutral grey. In OKLCH its lightness is 29%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.034 away. White text reads best on it, at 13.97:1.
| Hue family | Neutrals |
| Lightness | dark (29%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.50:1 |
| White text | 13.97:1 |
Values
| HEX | #1F2F2D |
| RGB | rgb(31, 47, 45) |
| HSL | hsl(173, 21%, 15%) |
| OKLCH | oklch(29% 0.022 186.4) |
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 #1F2F2D | 13.97:1 | AAA | Lc -103.6 | Preferred for body text |
| Black text on #1F2F2D | 1.50:1 | Fails | Lc 0.0 | Not readable |
| #1F2F2D text on white | 13.97:1 | AAA | Lc 100.6 | Preferred for body text |
| #1F2F2D text on black | 1.50:1 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEA
oklch(93.5% 0.007 185.3)
-
Step 200
200
#CFDCDA
oklch(88.4% 0.014 185.9)
-
Step 300
300
#AFC6C3
oklch(80.8% 0.025 187.2)
-
Step 400
400
#84A9A4
oklch(70.6% 0.041 186.1)
-
Step 500
500
#64948E
oklch(63% 0.053 186.1)
-
Step 600
600
#4A7E78
oklch(55.5% 0.057 186.3)
-
Step 700
700
#3B6B65
oklch(49.2% 0.053 185.3)
-
Step 800
800
#315753
oklch(42.7% 0.044 187.1)
-
Step 900
900
#2C4844
oklch(37.8% 0.035 184.5)
-
Step 950
950 (this color)
#1F2F2D
oklch(29% 0.022 186.4)
#1F2F2D 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) | #2D2D2D | 0.023 |
| Deuteranopia (no green cones) | #2A2B2D | 0.021 |
| Tritanopia (no blue cones) | #1A302E | 0.007 |
| Achromatopsia (no color) | #2C2C2C | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F2F2D
#1F2F2D
oklch(29% 0.022 186.4)
- #35272A
#35272A
oklch(29% 0.022 4.2)
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 #1F2F2D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.034
- Gunmetal #293241 ΔE 0.040
- Dark #1B2431 ΔE 0.044
- Space Cadet #2B2D42 ΔE 0.047
- Oxford Blue #1B263B ΔE 0.048
- Pakistan Green #283618 ΔE 0.050
- Onyx #343A40 ΔE 0.058
- Midnight Green #073B4C ΔE 0.059
Use #1F2F2D 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.