#451B4D
Closest named color: Deep Violet (#490648). oklch(30.8% 0.098 321), rgb(69, 27, 77).
Aa
White text reads best on this color (13.84:1).
About this color
#451B4D is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.098 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Violet (#490648), ΔE 0.036 away. White text reads best on it, at 13.84:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.51:1 |
| White text | 13.84:1 |
Values
| HEX | #451B4D |
| RGB | rgb(69, 27, 77) |
| HSL | hsl(290, 48%, 20%) |
| OKLCH | oklch(30.8% 0.098 321) |
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 #451B4D | 13.84:1 | AAA | Lc -103.2 | Preferred for body text |
| Black text on #451B4D | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #451B4D text on white | 13.84:1 | AAA | Lc 100.1 | Preferred for body text |
| #451B4D text on black | 1.51:1 | 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
#FAF2FC
oklch(97% 0.016 319.4)
-
Step 100
100
#F5E3F8
oklch(93.6% 0.034 321.4)
-
Step 200
200
#EDCCF3
oklch(88.5% 0.063 321.1)
-
Step 300
300
#E3A8EE
oklch(81% 0.115 321.1)
-
Step 400
400
#D374E5
oklch(70.6% 0.185 321.1)
-
Step 500
500
#C646DE
oklch(63.1% 0.237 320.9)
-
Step 600
600
#B113CB
oklch(55.6% 0.257 320.9)
-
Step 700
700
#9700AE
oklch(49% 0.234 320.9)
-
Step 800
800
#7C098E
oklch(42.7% 0.198 321.2)
-
Step 900
900
#641872
oklch(37.8% 0.154 320.8)
-
Step 950
950 (this color)
#451B4D
oklch(30.8% 0.098 321)
#451B4D 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) | #112A4F | 0.094 |
| Deuteranopia (no green cones) | #202E4C | 0.082 |
| Tritanopia (no blue cones) | #462331 | 0.060 |
| Achromatopsia (no color) | #2D2D2D | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #451B4D
#451B4D
oklch(30.8% 0.098 321)
- #0A3B03
#0A3B03
oklch(30.8% 0.098 141.2)
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 #451B4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.036
- Plum Purple #4E0550 ΔE 0.038
- Eggplant Purple #430541 ΔE 0.043
- Grape Purple #5D1451 ΔE 0.053
- Aubergine #3D0734 ΔE 0.060
- Dark Purple #35063E ΔE 0.063
- Eggplant #380835 ΔE 0.064
- Deep Purple #36013F ΔE 0.068
Use #451B4D 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.