#2D2831
Closest named color: Jet (#212529). oklch(28.6% 0.018 310.1), rgb(45, 40, 49).
Aa
White text reads best on this color (14.38:1).
About this color
#2D2831 is a dark close to neutral grey. In OKLCH its lightness is 29%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.029 away. White text reads best on it, at 14.38:1.
| Hue family | Neutrals |
| Lightness | dark (29%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.45:1 |
| White text | 14.38:1 |
Values
| HEX | #2D2831 |
| RGB | rgb(45, 40, 49) |
| HSL | hsl(273, 10%, 17%) |
| OKLCH | oklch(28.6% 0.018 310.1) |
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 #2D2831 | 14.38:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #2D2831 | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #2D2831 text on white | 14.38:1 | AAA | Lc 101.2 | Preferred for body text |
| #2D2831 text on black | 1.45:1 | 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
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#EBE9ED
oklch(93.7% 0.006 308.4)
-
Step 200
200
#DBD7DF
oklch(88.5% 0.012 308.3)
-
Step 300
300
#C5BDCB
oklch(80.9% 0.021 311)
-
Step 400
400
#A79BB1
oklch(70.7% 0.034 309.8)
-
Step 500
500
#91839D
oklch(63.1% 0.042 309.3)
-
Step 600
600
#7C6C88
oklch(55.6% 0.047 310.6)
-
Step 700
700
#685A73
oklch(49% 0.043 310)
-
Step 800
800
#554A5E
oklch(42.8% 0.035 309.7)
-
Step 900
900
#463E4D
oklch(37.8% 0.027 309.1)
-
Step 950
950 (this color)
#2D2831
oklch(28.6% 0.018 310.1)
#2D2831 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) | #272A31 | 0.012 |
| Deuteranopia (no green cones) | #282A31 | 0.011 |
| Tritanopia (no blue cones) | #2D292B | 0.013 |
| Achromatopsia (no color) | #2A2A2A | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D2831
#2D2831
oklch(28.6% 0.018 310.1)
- #272C23
#272C23
oklch(28.5% 0.018 131.2)
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 #2D2831, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.029
- Space Cadet #2B2D42 ΔE 0.031
- Dark #1B2431 ΔE 0.036
- Oxford Blue #1B263B ΔE 0.037
- Gunmetal #293241 ΔE 0.037
- Onyx #343A40 ΔE 0.061
- Dark Blue Grey #1F3B4D ΔE 0.069
- Dark Brown #341C02 ΔE 0.071
Use #2D2831 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.