#1D1827
Closest named color: Rich Black (#0D1B2A). oklch(22.2% 0.03 299.3), rgb(29, 24, 39).
Aa
White text reads best on this color (17.32:1).
About this color
#1D1827 is a very dark close to neutral grey. In OKLCH its lightness is 22%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.027 away. White text reads best on it, at 17.32:1.
| Hue family | Neutrals |
| Lightness | very dark (22%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.21:1 |
| White text | 17.32:1 |
Values
| HEX | #1D1827 |
| RGB | rgb(29, 24, 39) |
| HSL | hsl(260, 24%, 12%) |
| OKLCH | oklch(22.2% 0.03 299.3) |
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 #1D1827 | 17.32:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #1D1827 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #1D1827 text on white | 17.32:1 | AAA | Lc 104.2 | Preferred for body text |
| #1D1827 text on black | 1.21:1 | 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
#F6F5F8
oklch(97.2% 0.004 301.4)
-
Step 100
100
#EBE8F0
oklch(93.6% 0.011 303.1)
-
Step 200
200
#DBD7E4
oklch(88.6% 0.018 300)
-
Step 300
300
#C3BCD5
oklch(80.9% 0.036 298.4)
-
Step 400
400
#A599BF
oklch(70.6% 0.056 299.4)
-
Step 500
500
#8F80AF
oklch(63.1% 0.071 299)
-
Step 600
600
#7A699B
oklch(55.6% 0.078 299.5)
-
Step 700
700
#665784
oklch(49% 0.073 299)
-
Step 800
800
#54486B
oklch(42.8% 0.059 299.7)
-
Step 900
900
#453C57
oklch(37.7% 0.047 299.5)
-
Step 950
950 (this color)
#1D1827
oklch(22.2% 0.03 299.3)
#1D1827 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) | #151A28 | 0.015 |
| Deuteranopia (no green cones) | #151A27 | 0.016 |
| Tritanopia (no blue cones) | #1B1A1D | 0.024 |
| Achromatopsia (no color) | #1A1A1A | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D1827
#1D1827
oklch(22.2% 0.03 299.3)
- #191D0D
#191D0D
oklch(22.1% 0.029 120.3)
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 #1D1827, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.027
- Dark #1B2431 ΔE 0.041
- Jet #212529 ΔE 0.047
- Oxford Blue #1B263B ΔE 0.053
- Rich Navy #001219 ΔE 0.065
- Very Dark Purple #2A0134 ΔE 0.073
- Midnight Purple #280137 ΔE 0.074
- Eggplant #380835 ΔE 0.075
Use #1D1827 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.