#3A304F
Closest named color: Space Cadet (#2B2D42). oklch(33.4% 0.055 298.2), rgb(58, 48, 79).
Aa
White text reads best on this color (12.24:1).
About this color
#3A304F is a dark, muted purple. In OKLCH its lightness is 33%, its chroma 0.055 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.037 away. White text reads best on it, at 12.24:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | muted (0.055) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.71:1 |
| White text | 12.24:1 |
Values
| HEX | #3A304F |
| RGB | rgb(58, 48, 79) |
| HSL | hsl(259, 24%, 25%) |
| OKLCH | oklch(33.4% 0.055 298.2) |
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 #3A304F | 12.24:1 | AAA | Lc -101.4 | Preferred for body text |
| Black text on #3A304F | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #3A304F text on white | 12.24:1 | AAA | Lc 97.9 | Preferred for body text |
| #3A304F text on black | 1.71:1 | 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 900.
-
Step 50
50
#F6F5F9
oklch(97.2% 0.005 297.7)
-
Step 100
100
#EBE8F1
oklch(93.6% 0.012 301.3)
-
Step 200
200
#DBD6E7
oklch(88.5% 0.024 299.3)
-
Step 300
300
#C3BBD8
oklch(80.8% 0.041 298.1)
-
Step 400
400
#A598C5
oklch(70.7% 0.066 297.9)
-
Step 500
500
#907EB6
oklch(63.1% 0.085 298.7)
-
Step 600
600
#7A67A2
oklch(55.6% 0.092 298.2)
-
Step 700
700
#67568A
oklch(49.2% 0.083 298.3)
-
Step 800
800
#544670
oklch(42.7% 0.07 298.7)
-
Step 900
900 (this color)
#3A304F
oklch(33.4% 0.055 298.2)
-
Step 950
950
#282335
oklch(27% 0.034 296.8)
#3A304F 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) | #283550 | 0.032 |
| Deuteranopia (no green cones) | #2A354E | 0.030 |
| Tritanopia (no blue cones) | #36353B | 0.044 |
| Achromatopsia (no color) | #353535 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A304F
#3A304F
oklch(33.4% 0.055 298.2)
- #343A18
#343A18
oklch(33.4% 0.054 117.7)
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 #3A304F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.037
- Gunmetal #293241 ΔE 0.041
- Prussian Blue #1D3557 ΔE 0.045
- Onyx #343A40 ΔE 0.049
- Dark Blue Grey #1F3B4D ΔE 0.051
- Charcoal Grey #3C4142 ΔE 0.066
- Midnight Green #073B4C ΔE 0.067
- Dark Grey Blue #29465B ΔE 0.068
Use #3A304F 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.