#451F51
Closest named color: Plum Purple (#4E0550). oklch(31.7% 0.095 317.4), rgb(69, 31, 81).
Aa
White text reads best on this color (13.39:1).
About this color
#451F51 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.095 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Plum Purple (#4E0550), ΔE 0.045 away. White text reads best on it, at 13.39:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.095) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.56:1 |
| White text | 13.39:1 |
Values
| HEX | #451F51 |
| RGB | rgb(69, 31, 81) |
| HSL | hsl(286, 45%, 22%) |
| OKLCH | oklch(31.7% 0.095 317.4) |
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 #451F51 | 13.39:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #451F51 | 1.56:1 | Fails | Lc 0.0 | Not readable |
| #451F51 text on white | 13.39:1 | AAA | Lc 99.5 | Preferred for body text |
| #451F51 text on black | 1.56:1 | 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
#F3E4F9
oklch(93.7% 0.032 316.4)
-
Step 200
200
#EBCDF5
oklch(88.6% 0.063 317.6)
-
Step 300
300
#DFAAF1
oklch(81% 0.113 317.4)
-
Step 400
400
#CD78E9
oklch(70.7% 0.179 317.3)
-
Step 500
500
#BF4CE2
oklch(63% 0.231 317.3)
-
Step 600
600
#AB21D0
oklch(55.6% 0.251 317.4)
-
Step 700
700
#920CB4
oklch(49.1% 0.233 317.2)
-
Step 800
800
#771392
oklch(42.7% 0.193 317.3)
-
Step 900
900
#601C74
oklch(37.7% 0.15 317.3)
-
Step 950
950 (this color)
#451F51
oklch(31.7% 0.095 317.4)
#451F51 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) | #132D53 | 0.088 |
| Deuteranopia (no green cones) | #213050 | 0.076 |
| Tritanopia (no blue cones) | #452734 | 0.062 |
| Achromatopsia (no color) | #2F2F2F | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #451F51
#451F51
oklch(31.7% 0.095 317.4)
- #163C01
#163C01
oklch(31.6% 0.095 137.3)
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 #451F51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.045
- Deep Violet #490648 ΔE 0.045
- Grape Purple #5D1451 ΔE 0.053
- Eggplant Purple #430541 ΔE 0.054
- Royal Purple #4B006E ΔE 0.069
- Space Cadet #2B2D42 ΔE 0.070
- Aubergine #3D0734 ΔE 0.070
- Dark Purple #35063E ΔE 0.072
Use #451F51 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.