#1F2013
Closest named color: Jet (#212529). oklch(23.8% 0.023 111.7), rgb(31, 32, 19).
Aa
White text reads best on this color (16.48:1).
About this color
#1F2013 is a very dark close to neutral grey. In OKLCH its lightness is 24%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.039 away. White text reads best on it, at 16.48:1.
| Hue family | Neutrals |
| Lightness | very dark (24%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.27:1 |
| White text | 16.48:1 |
Values
| HEX | #1F2013 |
| RGB | rgb(31, 32, 19) |
| HSL | hsl(65, 25%, 10%) |
| OKLCH | oklch(23.8% 0.023 111.7) |
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 #1F2013 | 16.48:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #1F2013 | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #1F2013 text on white | 16.48:1 | AAA | Lc 103.4 | Preferred for body text |
| #1F2013 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
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#EAEAE4
oklch(93.5% 0.008 106.6)
-
Step 200
200
#D9DACF
oklch(88.5% 0.015 110.9)
-
Step 300
300
#C1C3AF
oklch(81% 0.027 111.6)
-
Step 400
400
#A1A484
oklch(70.8% 0.045 111.9)
-
Step 500
500
#8A8D65
oklch(63% 0.057 111.5)
-
Step 600
600
#74774C
oklch(55.6% 0.062 111.6)
-
Step 700
700
#61643D
oklch(49% 0.058 112.1)
-
Step 800
800
#4F5233
oklch(42.7% 0.048 112.9)
-
Step 900
900
#42442D
oklch(37.8% 0.037 112.2)
-
Step 950
950 (this color)
#1F2013
oklch(23.8% 0.023 111.7)
#1F2013 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) | #221F12 | 0.006 |
| Deuteranopia (no green cones) | #221F14 | 0.007 |
| Tritanopia (no blue cones) | #211E1D | 0.022 |
| Achromatopsia (no color) | #1F1F1F | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F2013
#1F2013
oklch(23.8% 0.023 111.7)
- #1F1D29
#1F1D29
oklch(23.9% 0.023 292.2)
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 #1F2013, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.039
- Dark Brown #341C02 ΔE 0.045
- Dark #1B2431 ΔE 0.053
- Rich Black #0D1B2A ΔE 0.059
- Dark Forest Green #002D04 ΔE 0.068
- Very Dark Green #062E03 ΔE 0.068
- Oxford Blue #1B263B ΔE 0.071
- Chocolate Brown #411900 ΔE 0.072
Use #1F2013 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.