#1D202B
Closest named color: Dark (#1B2431). oklch(24.6% 0.021 272.8), rgb(29, 32, 43).
Aa
White text reads best on this color (16.23:1).
About this color
#1D202B is a very dark close to neutral grey. In OKLCH its lightness is 25%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Dark (#1B2431), ΔE 0.015 away. White text reads best on it, at 16.23:1.
| Hue family | Neutrals |
| Lightness | very dark (25%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Dark (#1B2431) |
| Black text | 1.29:1 |
| White text | 16.23:1 |
Values
| HEX | #1D202B |
| RGB | rgb(29, 32, 43) |
| HSL | hsl(227, 19%, 14%) |
| OKLCH | oklch(24.6% 0.021 272.8) |
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 #1D202B | 16.23:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #1D202B | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #1D202B text on white | 16.23:1 | AAA | Lc 103.2 | Preferred for body text |
| #1D202B text on black | 1.29:1 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E8EAEF
oklch(93.7% 0.007 268.5)
-
Step 200
200
#D6D9E3
oklch(88.6% 0.014 272.7)
-
Step 300
300
#BBC0D2
oklch(80.9% 0.026 273.4)
-
Step 400
400
#989FBB
oklch(70.6% 0.042 274.2)
-
Step 500
500
#7F88AA
oklch(63.2% 0.052 273.3)
-
Step 600
600
#687195
oklch(55.5% 0.057 273.5)
-
Step 700
700
#565F7F
oklch(49.1% 0.053 272.2)
-
Step 800
800
#474E67
oklch(42.8% 0.043 272.4)
-
Step 900
900
#3B4154
oklch(37.8% 0.034 271.1)
-
Step 950
950 (this color)
#1D202B
oklch(24.6% 0.021 272.8)
#1D202B 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) | #1D212C | 0.004 |
| Deuteranopia (no green cones) | #1C202B | 0.002 |
| Tritanopia (no blue cones) | #192224 | 0.019 |
| Achromatopsia (no color) | #202020 | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D202B
#1D202B
oklch(24.6% 0.021 272.8)
- #242015
#242015
oklch(24.4% 0.021 90.4)
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 #1D202B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.015
- Jet #212529 ΔE 0.021
- Oxford Blue #1B263B ΔE 0.032
- Rich Black #0D1B2A ΔE 0.033
- Space Cadet #2B2D42 ΔE 0.062
- Gunmetal #293241 ΔE 0.071
- Dark Brown #341C02 ΔE 0.074
- Rich Navy #001219 ΔE 0.080
Use #1D202B 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.