#2D283A
Closest named color: Space Cadet (#2B2D42). oklch(29% 0.033 297), rgb(45, 40, 58).
Aa
White text reads best on this color (14.22:1).
About this color
#2D283A is a dark, muted purple. In OKLCH its lightness is 29%, its chroma 0.033 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.019 away. White text reads best on it, at 14.22:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | muted (0.033) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.47:1 |
| White text | 14.22:1 |
Values
| HEX | #2D283A |
| RGB | rgb(45, 40, 58) |
| HSL | hsl(257, 18%, 19%) |
| OKLCH | oklch(29% 0.033 297) |
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 #2D283A | 14.22:1 | AAA | Lc -103.9 | Preferred for body text |
| Black text on #2D283A | 1.47:1 | Fails | Lc 0.0 | Not readable |
| #2D283A text on white | 14.22:1 | AAA | Lc 100.9 | Preferred for body text |
| #2D283A 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
#F6F5F9
oklch(97.2% 0.005 297.7)
-
Step 100
100
#EAE8F1
oklch(93.5% 0.012 296.3)
-
Step 200
200
#DAD6E6
oklch(88.4% 0.022 297.4)
-
Step 300
300
#C3BCD7
oklch(80.9% 0.038 297.4)
-
Step 400
400
#A499C3
oklch(70.7% 0.062 296.8)
-
Step 500
500
#8E7FB4
oklch(63% 0.08 297)
-
Step 600
600
#7968A0
oklch(55.6% 0.087 297.5)
-
Step 700
700
#665789
oklch(49.2% 0.08 297.2)
-
Step 800
800
#53476F
oklch(42.7% 0.066 297.3)
-
Step 900
900
#443C5A
oklch(37.7% 0.051 296.1)
-
Step 950
950 (this color)
#2D283A
oklch(29% 0.033 297)
#2D283A 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) | #242B3B | 0.017 |
| Deuteranopia (no green cones) | #252A39 | 0.015 |
| Tritanopia (no blue cones) | #2B2B2E | 0.028 |
| Achromatopsia (no color) | #2B2B2B | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D283A
#2D283A
oklch(29% 0.033 297)
- #2A2E1A
#2A2E1A
oklch(29.1% 0.034 117.8)
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 #2D283A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.019
- Gunmetal #293241 ΔE 0.032
- Oxford Blue #1B263B ΔE 0.032
- Dark #1B2431 ΔE 0.039
- Jet #212529 ΔE 0.040
- Prussian Blue #1D3557 ΔE 0.060
- Onyx #343A40 ΔE 0.061
- Dark Blue Grey #1F3B4D ΔE 0.063
Use #2D283A 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.