#451B54
Closest named color: Plum Purple (#4E0550). oklch(31.3% 0.106 316.1), rgb(69, 27, 84).
Aa
White text reads best on this color (13.65:1).
About this color
#451B54 is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.106 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Plum Purple (#4E0550), ΔE 0.037 away. White text reads best on it, at 13.65:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.53:1 |
| White text | 13.65:1 |
Values
| HEX | #451B54 |
| RGB | rgb(69, 27, 84) |
| HSL | hsl(284, 51%, 22%) |
| OKLCH | oklch(31.3% 0.106 316.1) |
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 #451B54 | 13.65:1 | AAA | Lc -102.9 | Preferred for body text |
| Black text on #451B54 | 1.53:1 | Fails | Lc 0.0 | Not readable |
| #451B54 text on white | 13.65:1 | AAA | Lc 99.8 | Preferred for body text |
| #451B54 text on black | 1.53:1 | 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
#FAF2FD
oklch(97% 0.017 316.9)
-
Step 100
100
#F4E3FB
oklch(93.6% 0.037 316.2)
-
Step 200
200
#ECCCF9
oklch(88.6% 0.07 316.2)
-
Step 300
300
#E0A7F7
oklch(80.9% 0.125 316)
-
Step 400
400
#D072F3
oklch(70.7% 0.2 316.1)
-
Step 500
500
#C240EE
oklch(63% 0.256 315.9)
-
Step 600
600
#AD00DA
oklch(55.6% 0.272 316.1)
-
Step 700
700
#9200B9
oklch(49.1% 0.241 315.9)
-
Step 800
800
#790099
oklch(42.8% 0.209 316.2)
-
Step 900
900
#62137B
oklch(37.8% 0.166 316)
-
Step 950
950 (this color)
#451B54
oklch(31.3% 0.106 316.1)
#451B54 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) | #082B56 | 0.100 |
| Deuteranopia (no green cones) | #1B2F53 | 0.087 |
| Tritanopia (no blue cones) | #442534 | 0.069 |
| Achromatopsia (no color) | #2E2E2E | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #451B54
#451B54
oklch(31.3% 0.106 316.1)
- #183B00
#183B00
oklch(31.4% 0.093 136.1)
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 #451B54, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.037
- Deep Violet #490648 ΔE 0.039
- Eggplant Purple #430541 ΔE 0.050
- Grape Purple #5D1451 ΔE 0.053
- Royal Purple #4B006E ΔE 0.058
- Dark Purple #35063E ΔE 0.068
- Aubergine #3D0734 ΔE 0.069
- Deep Purple #36013F ΔE 0.072
Use #451B54 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.