#2A2D39
Closest named color: Space Cadet (#2B2D42). oklch(29.9% 0.022 274), rgb(42, 45, 57).
Aa
White text reads best on this color (13.69:1).
About this color
#2A2D39 is a dark close to neutral grey. In OKLCH its lightness is 30%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Space Cadet (#2B2D42), ΔE 0.017 away. White text reads best on it, at 13.69:1.
| Hue family | Neutrals |
| Lightness | dark (30%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.53:1 |
| White text | 13.69:1 |
Values
| HEX | #2A2D39 |
| RGB | rgb(42, 45, 57) |
| HSL | hsl(228, 15%, 19%) |
| OKLCH | oklch(29.9% 0.022 274) |
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 #2A2D39 | 13.69:1 | AAA | Lc -103.3 | Preferred for body text |
| Black text on #2A2D39 | 1.53:1 | Fails | Lc 0.0 | Not readable |
| #2A2D39 text on white | 13.69:1 | AAA | Lc 100.3 | Preferred for body text |
| #2A2D39 text on black | 1.53:1 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
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
#7F88AB
oklch(63.2% 0.054 273.5)
-
Step 600
600
#687196
oklch(55.5% 0.059 273.8)
-
Step 700
700
#575F80
oklch(49.2% 0.054 273.7)
-
Step 800
800
#474D68
oklch(42.6% 0.046 274.6)
-
Step 900
900
#3C4054
oklch(37.6% 0.035 275.8)
-
Step 950
950 (this color)
#2A2D39
oklch(29.9% 0.022 274)
#2A2D39 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) | #2A2E3A | 0.003 |
| Deuteranopia (no green cones) | #292D39 | 0.002 |
| Tritanopia (no blue cones) | #262F31 | 0.020 |
| Achromatopsia (no color) | #2D2D2D | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A2D39
#2A2D39
oklch(29.9% 0.022 274)
- #312E21
#312E21
oklch(30% 0.023 96.6)
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 #2A2D39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.017
- Gunmetal #293241 ΔE 0.019
- Oxford Blue #1B263B ΔE 0.037
- Jet #212529 ΔE 0.040
- Dark #1B2431 ΔE 0.042
- Onyx #343A40 ΔE 0.047
- Dark Blue Grey #1F3B4D ΔE 0.050
- Prussian Blue #1D3557 ΔE 0.055
Use #2A2D39 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.