#1D281F
Closest named color: Jet (#212529). oklch(26.3% 0.023 150), rgb(29, 40, 31).
Aa
White text reads best on this color (15.26:1).
About this color
#1D281F is a dark close to neutral grey. In OKLCH its lightness is 26%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.026 away. White text reads best on it, at 15.26:1.
| Hue family | Neutrals |
| Lightness | dark (26%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.37:1 |
| White text | 15.26:1 |
Values
| HEX | #1D281F |
| RGB | rgb(29, 40, 31) |
| HSL | hsl(131, 16%, 14%) |
| OKLCH | oklch(26.3% 0.023 150) |
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 #1D281F | 15.26:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #1D281F | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #1D281F text on white | 15.26:1 | AAA | Lc 102.2 | Preferred for body text |
| #1D281F text on black | 1.37:1 | 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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E6EBE7
oklch(93.5% 0.008 151.9)
-
Step 200
200
#D3DCD4
oklch(88.5% 0.015 148.8)
-
Step 300
300
#B5C6B8
oklch(81% 0.027 150.7)
-
Step 400
400
#8EA993
oklch(70.8% 0.044 150.5)
-
Step 500
500
#729378
oklch(63% 0.055 150)
-
Step 600
600
#5A7D61
oklch(55.5% 0.059 150.3)
-
Step 700
700
#4A6A50
oklch(49.2% 0.056 149.8)
-
Step 800
800
#3D5642
oklch(42.7% 0.045 150.3)
-
Step 900
900
#344738
oklch(37.7% 0.035 150.9)
-
Step 950
950 (this color)
#1D281F
oklch(26.3% 0.023 150)
#1D281F 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) | #28261F | 0.019 |
| Deuteranopia (no green cones) | #26251F | 0.018 |
| Tritanopia (no blue cones) | #1C2825 | 0.011 |
| Achromatopsia (no color) | #252525 | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D281F
#1D281F
oklch(26.3% 0.023 150)
- #2B212A
#2B212A
oklch(26.3% 0.022 329.5)
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 #1D281F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.026
- Dark #1B2431 ΔE 0.041
- Oxford Blue #1B263B ΔE 0.056
- Dark Brown #341C02 ΔE 0.058
- Pakistan Green #283618 ΔE 0.059
- Very Dark Green #062E03 ΔE 0.060
- Dark Forest Green #002D04 ΔE 0.061
- Rich Black #0D1B2A ΔE 0.065
Use #1D281F 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.