#2A2937
Closest named color: Space Cadet (#2B2D42). oklch(28.8% 0.025 288), rgb(42, 41, 55).
Aa
White text reads best on this color (14.27:1).
About this color
#2A2937 is a dark close to neutral grey. In OKLCH its lightness is 29%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Space Cadet (#2B2D42), ΔE 0.021 away. White text reads best on it, at 14.27:1.
| Hue family | Neutrals |
| Lightness | dark (29%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.47:1 |
| White text | 14.27:1 |
Values
| HEX | #2A2937 |
| RGB | rgb(42, 41, 55) |
| HSL | hsl(244, 15%, 19%) |
| OKLCH | oklch(28.8% 0.025 288) |
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 #2A2937 | 14.27:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #2A2937 | 1.47:1 | Fails | Lc 0.0 | Not readable |
| #2A2937 text on white | 14.27:1 | AAA | Lc 101.0 | Preferred for body text |
| #2A2937 text on black | 1.47:1 | 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
#E9E9EF
oklch(93.6% 0.008 286.2)
-
Step 200
200
#D8D8E4
oklch(88.6% 0.016 286.1)
-
Step 300
300
#BFBED4
oklch(80.9% 0.031 287.8)
-
Step 400
400
#9E9CBE
oklch(70.6% 0.049 287.8)
-
Step 500
500
#8784AD
oklch(63.1% 0.061 287.9)
-
Step 600
600
#716D99
oklch(55.6% 0.068 288.1)
-
Step 700
700
#5F5B82
oklch(49.1% 0.062 288.6)
-
Step 800
800
#4D4B6A
oklch(42.8% 0.051 287)
-
Step 900
900
#403E56
oklch(37.6% 0.041 288.1)
-
Step 950
950 (this color)
#2A2937
oklch(28.8% 0.025 288)
#2A2937 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) | #262B38 | 0.009 |
| Deuteranopia (no green cones) | #252A37 | 0.009 |
| Tritanopia (no blue cones) | #272B2E | 0.021 |
| Achromatopsia (no color) | #2A2A2A | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A2937
#2A2937
oklch(28.8% 0.025 288)
- #2C2C1D
#2C2C1D
oklch(28.8% 0.026 107.9)
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 #2A2937, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.021
- Oxford Blue #1B263B ΔE 0.029
- Gunmetal #293241 ΔE 0.030
- Jet #212529 ΔE 0.032
- Dark #1B2431 ΔE 0.033
- Onyx #343A40 ΔE 0.060
- Dark Blue Grey #1F3B4D ΔE 0.062
- Prussian Blue #1D3557 ΔE 0.062
Use #2A2937 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.