#3B274F
Closest named color: Space Cadet (#2B2D42). oklch(31.6% 0.073 305.7), rgb(59, 39, 79).
Aa
White text reads best on this color (13.21:1).
About this color
#3B274F is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.073 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.044 away. White text reads best on it, at 13.21:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.073) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.58:1 |
| White text | 13.21:1 |
Values
| HEX | #3B274F |
| RGB | rgb(59, 39, 79) |
| HSL | hsl(270, 34%, 23%) |
| OKLCH | oklch(31.6% 0.073 305.7) |
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 #3B274F | 13.21:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #3B274F | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #3B274F text on white | 13.21:1 | AAA | Lc 99.4 | Preferred for body text |
| #3B274F text on black | 1.58:1 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EEE6F8
oklch(93.6% 0.025 305.8)
-
Step 200
200
#E1D2F3
oklch(88.6% 0.047 305.9)
-
Step 300
300
#CEB3ED
oklch(80.9% 0.085 305.8)
-
Step 400
400
#B689E4
oklch(70.8% 0.137 306)
-
Step 500
500
#A468DD
oklch(63.2% 0.176 305.6)
-
Step 600
600
#8F4BCA
oklch(55.5% 0.192 305.7)
-
Step 700
700
#7A3BAF
oklch(49.1% 0.179 305.7)
-
Step 800
800
#63328D
oklch(42.6% 0.147 305.9)
-
Step 900
900
#512D71
oklch(37.7% 0.115 306)
-
Step 950
950 (this color)
#3B274F
oklch(31.6% 0.073 305.7)
#3B274F 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) | #1D2F50 | 0.053 |
| Deuteranopia (no green cones) | #22304E | 0.048 |
| Tritanopia (no blue cones) | #382E37 | 0.054 |
| Achromatopsia (no color) | #303030 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B274F
#3B274F
oklch(31.6% 0.073 305.7)
- #293807
#293807
oklch(31.6% 0.073 125.5)
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 #3B274F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.044
- Gunmetal #293241 ΔE 0.056
- Prussian Blue #1D3557 ΔE 0.059
- Deep Violet #490648 ΔE 0.069
- Oxford Blue #1B263B ΔE 0.069
- Plum Purple #4E0550 ΔE 0.072
- Onyx #343A40 ΔE 0.072
- Eggplant Purple #430541 ΔE 0.073
Use #3B274F 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.