#1D2317
Closest named color: Jet (#212529). oklch(24.6% 0.024 129.6), rgb(29, 35, 23).
Aa
White text reads best on this color (16.09:1).
About this color
#1D2317 is a very dark close to neutral grey. In OKLCH its lightness is 25%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.033 away. White text reads best on it, at 16.09:1.
| Hue family | Neutrals |
| Lightness | very dark (25%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.30:1 |
| White text | 16.09:1 |
Values
| HEX | #1D2317 |
| RGB | rgb(29, 35, 23) |
| HSL | hsl(90, 21%, 11%) |
| OKLCH | oklch(24.6% 0.024 129.6) |
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 #1D2317 | 16.09:1 | AAA | Lc -105.6 | Preferred for body text |
| Black text on #1D2317 | 1.30:1 | Fails | Lc 0.0 | Not readable |
| #1D2317 text on white | 16.09:1 | AAA | Lc 103.0 | Preferred for body text |
| #1D2317 text on black | 1.30:1 | 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
#E8EBE5
oklch(93.6% 0.009 128.6)
-
Step 200
200
#D6DBD1
oklch(88.5% 0.015 128.6)
-
Step 300
300
#BBC4B2
oklch(80.8% 0.027 128.8)
-
Step 400
400
#98A789
oklch(70.8% 0.046 129.2)
-
Step 500
500
#7E916C
oklch(63.1% 0.058 130)
-
Step 600
600
#687B54
oklch(55.7% 0.062 129.3)
-
Step 700
700
#566744
oklch(49% 0.057 129.4)
-
Step 800
800
#465438
oklch(42.6% 0.048 129.8)
-
Step 900
900
#3B4631
oklch(37.8% 0.037 130.5)
-
Step 950
950 (this color)
#1D2317
oklch(24.6% 0.024 129.6)
#1D2317 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) | #242116 | 0.014 |
| Deuteranopia (no green cones) | #232118 | 0.013 |
| Tritanopia (no blue cones) | #1D2220 | 0.018 |
| Achromatopsia (no color) | #212121 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D2317
#1D2317
oklch(24.6% 0.024 129.6)
- #241E29
#241E29
oklch(24.7% 0.022 309.4)
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 #1D2317, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.033
- Dark #1B2431 ΔE 0.048
- Dark Brown #341C02 ΔE 0.050
- Rich Black #0D1B2A ΔE 0.059
- Dark Forest Green #002D04 ΔE 0.062
- Very Dark Green #062E03 ΔE 0.062
- Oxford Blue #1B263B ΔE 0.065
- Pakistan Green #283618 ΔE 0.072
Use #1D2317 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.