#451A68
Closest named color: Royal Purple (#4B006E). oklch(32.7% 0.13 305.4), rgb(69, 26, 104).
Aa
White text reads best on this color (13.11:1).
About this color
#451A68 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.130 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.034 away. White text reads best on it, at 13.11:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.60:1 |
| White text | 13.11:1 |
Values
| HEX | #451A68 |
| RGB | rgb(69, 26, 104) |
| HSL | hsl(273, 60%, 25%) |
| OKLCH | oklch(32.7% 0.13 305.4) |
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 #451A68 | 13.11:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #451A68 | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #451A68 text on white | 13.11:1 | AAA | Lc 98.8 | Preferred for body text |
| #451A68 text on black | 1.60:1 | 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
#F7F3FD
oklch(97% 0.014 304.1)
-
Step 100
100
#EEE5F9
oklch(93.5% 0.028 306)
-
Step 200
200
#E1D1F6
oklch(88.5% 0.053 304.9)
-
Step 300
300
#D0B1F3
oklch(81% 0.097 305.8)
-
Step 400
400
#B885ED
oklch(70.8% 0.155 305.4)
-
Step 500
500
#A761E7
oklch(63.1% 0.199 305.5)
-
Step 600
600
#9342D5
oklch(55.6% 0.216 305.7)
-
Step 700
700
#7D32B9
oklch(49.1% 0.201 305.4)
-
Step 800
800
#662B96
oklch(42.8% 0.168 305.6)
-
Step 900
900 (this color)
#451A68
oklch(32.7% 0.13 305.4)
-
Step 950
950
#301946
oklch(27% 0.083 305.1)
#451A68 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) | #002F6A | 0.101 |
| Deuteranopia (no green cones) | #003166 | 0.103 |
| Tritanopia (no blue cones) | #3F2C3F | 0.092 |
| Achromatopsia (no color) | #303030 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #451A68
#451A68
oklch(32.7% 0.13 305.4)
- #2A3B00
#2A3B00
oklch(32.5% 0.082 125.6)
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 #451A68, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.034
- Indigo #4B0082 ΔE 0.052
- Plum Purple #4E0550 ΔE 0.055
- Deep Violet #490648 ΔE 0.064
- Grape Purple #5D1451 ΔE 0.068
- Eggplant Purple #430541 ΔE 0.077
- Midnight Blue #191970 ΔE 0.087
- Dark Purple #35063E ΔE 0.091
Use #451A68 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.