#2C2839
Closest named color: Space Cadet (#2B2D42). oklch(28.9% 0.031 295.2), rgb(44, 40, 57).
Aa
White text reads best on this color (14.28:1).
About this color
#2C2839 is a dark, muted purple. In OKLCH its lightness is 29%, its chroma 0.031 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.020 away. White text reads best on it, at 14.28:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | muted (0.031) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.46:1 |
| White text | 14.28:1 |
Values
| HEX | #2C2839 |
| RGB | rgb(44, 40, 57) |
| HSL | hsl(254, 18%, 19%) |
| OKLCH | oklch(28.9% 0.031 295.2) |
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 #2C2839 | 14.28:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #2C2839 | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #2C2839 text on white | 14.28:1 | AAA | Lc 101.0 | Preferred for body text |
| #2C2839 text on black | 1.46:1 | 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
#EAE9F0
oklch(93.7% 0.009 292.8)
-
Step 200
200
#DAD7E6
oklch(88.6% 0.021 295.1)
-
Step 300
300
#C2BCD6
oklch(80.8% 0.037 296.1)
-
Step 400
400
#A39AC2
oklch(70.8% 0.058 295.2)
-
Step 500
500
#8D81B3
oklch(63.3% 0.075 295.2)
-
Step 600
600
#77699E
oklch(55.5% 0.082 295.7)
-
Step 700
700
#645887
oklch(49.2% 0.075 295.2)
-
Step 800
800
#51486E
oklch(42.7% 0.063 294.5)
-
Step 900
900
#433C59
oklch(37.6% 0.05 295)
-
Step 950
950 (this color)
#2C2839
oklch(28.9% 0.031 295.2)
#2C2839 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) | #242A3A | 0.014 |
| Deuteranopia (no green cones) | #252A39 | 0.013 |
| Tritanopia (no blue cones) | #2A2B2E | 0.026 |
| Achromatopsia (no color) | #2A2A2A | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2C2839
#2C2839
oklch(28.9% 0.031 295.2)
- #2A2D1B
#2A2D1B
oklch(28.9% 0.031 116.1)
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 #2C2839, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.020
- Oxford Blue #1B263B ΔE 0.030
- Gunmetal #293241 ΔE 0.032
- Dark #1B2431 ΔE 0.036
- Jet #212529 ΔE 0.037
- Prussian Blue #1D3557 ΔE 0.061
- Onyx #343A40 ΔE 0.061
- Dark Blue Grey #1F3B4D ΔE 0.064
Use #2C2839 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.