#451F61
Closest named color: Royal Purple (#4B006E). oklch(32.8% 0.115 307.8), rgb(69, 31, 97).
Aa
White text reads best on this color (12.94:1).
About this color
#451F61 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.115 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.048 away. White text reads best on it, at 12.94:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.62:1 |
| White text | 12.94:1 |
Values
| HEX | #451F61 |
| RGB | rgb(69, 31, 97) |
| HSL | hsl(275, 52%, 25%) |
| OKLCH | oklch(32.8% 0.115 307.8) |
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 #451F61 | 12.94:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #451F61 | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #451F61 text on white | 12.94:1 | AAA | Lc 98.7 | Preferred for body text |
| #451F61 text on black | 1.62:1 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EEE6F7
oklch(93.6% 0.024 307)
-
Step 200
200
#E2D1F2
oklch(88.5% 0.048 308.5)
-
Step 300
300
#D0B2EC
oklch(80.9% 0.086 308)
-
Step 400
400
#B888E2
oklch(70.7% 0.137 307.8)
-
Step 500
500
#A767DA
oklch(63.2% 0.175 307.9)
-
Step 600
600
#924AC7
oklch(55.5% 0.191 307.9)
-
Step 700
700
#7C3AAC
oklch(49% 0.178 307.7)
-
Step 800
800
#65318C
oklch(42.7% 0.148 307.6)
-
Step 900
900 (this color)
#451F61
oklch(32.8% 0.115 307.8)
-
Step 950
950
#301B41
oklch(27% 0.072 307.8)
#451F61 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) | #003063 | 0.099 |
| Deuteranopia (no green cones) | #133260 | 0.088 |
| Tritanopia (no blue cones) | #412D3D | 0.081 |
| Achromatopsia (no color) | #313131 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #451F61
#451F61
oklch(32.8% 0.115 307.8)
- #283C00
#283C00
oklch(32.7% 0.085 127.6)
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 #451F61, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.048
- Plum Purple #4E0550 ΔE 0.052
- Deep Violet #490648 ΔE 0.059
- Grape Purple #5D1451 ΔE 0.061
- Indigo #4B0082 ΔE 0.067
- Eggplant Purple #430541 ΔE 0.071
- Space Cadet #2B2D42 ΔE 0.086
- Dark Purple #35063E ΔE 0.087
Use #451F61 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.