#451B4F
Closest named color: Deep Violet (#490648). oklch(30.9% 0.1 319.5), rgb(69, 27, 79).
Aa
White text reads best on this color (13.79:1).
About this color
#451B4F is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.100 and its hue 320°. 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 13.79:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.52:1 |
| White text | 13.79:1 |
Values
| HEX | #451B4F |
| RGB | rgb(69, 27, 79) |
| HSL | hsl(288, 49%, 21%) |
| OKLCH | oklch(30.9% 0.1 319.5) |
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 #451B4F | 13.79:1 | AAA | Lc -103.1 | Preferred for body text |
| Black text on #451B4F | 1.52:1 | Fails | Lc 0.0 | Not readable |
| #451B4F text on white | 13.79:1 | AAA | Lc 100.0 | Preferred for body text |
| #451B4F text on black | 1.52:1 | 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
#F4E3F9
oklch(93.6% 0.034 318.5)
-
Step 200
200
#EDCCF5
oklch(88.6% 0.066 319.6)
-
Step 300
300
#E2A8F1
oklch(81% 0.118 319.2)
-
Step 400
400
#D274E9
oklch(70.7% 0.188 319.5)
-
Step 500
500
#C545E2
oklch(63.1% 0.241 319.6)
-
Step 600
600
#B00CD0
oklch(55.6% 0.263 319.3)
-
Step 700
700
#9600B1
oklch(49.1% 0.236 319.7)
-
Step 800
800
#7B0592
oklch(42.7% 0.202 319.4)
-
Step 900
900
#631674
oklch(37.6% 0.158 319.5)
-
Step 950
950 (this color)
#451B4F
oklch(30.9% 0.1 319.5)
#451B4F 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) | #0E2A51 | 0.096 |
| Deuteranopia (no green cones) | #1F2E4E | 0.082 |
| Tritanopia (no blue cones) | #452332 | 0.062 |
| Achromatopsia (no color) | #2D2D2D | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #451B4F
#451B4F
oklch(30.9% 0.1 319.5)
- #0E3B00
#0E3B00
oklch(30.9% 0.098 139.5)
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 #451B4F, 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 0.037
- Eggplant Purple #430541 ΔE 0.045
- Grape Purple #5D1451 ΔE 0.052
- Aubergine #3D0734 ΔE 0.062
- Dark Purple #35063E ΔE 0.064
- Eggplant #380835 ΔE 0.066
- Royal Purple #4B006E ΔE 0.066
Use #451B4F 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.