#451F57
Closest named color: Plum Purple (#4E0550). oklch(32.1% 0.102 313.4), rgb(69, 31, 87).
Aa
White text reads best on this color (13.23:1).
About this color
#451F57 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.102 and its hue 313°. 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 13.23:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.58:1 |
| White text | 13.23:1 |
Values
| HEX | #451F57 |
| RGB | rgb(69, 31, 87) |
| HSL | hsl(281, 47%, 23%) |
| OKLCH | oklch(32.1% 0.102 313.4) |
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 #451F57 | 13.23:1 | AAA | Lc -102.5 | Preferred for body text |
| Black text on #451F57 | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #451F57 text on white | 13.23:1 | AAA | Lc 99.2 | Preferred for body text |
| #451F57 text on black | 1.58:1 | 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
#F9F2FD
oklch(97% 0.016 313.6)
-
Step 100
100
#F2E3FB
oklch(93.5% 0.036 313)
-
Step 200
200
#E9CDF9
oklch(88.5% 0.066 313.3)
-
Step 300
300
#DCA9F8
oklch(80.9% 0.121 313.2)
-
Step 400
400
#CB76F4
oklch(70.8% 0.193 313.6)
-
Step 500
500
#BC47F0
oklch(63% 0.248 313.2)
-
Step 600
600
#A810DE
oklch(55.5% 0.269 313.4)
-
Step 700
700
#8F00BE
oklch(49.1% 0.244 313.5)
-
Step 800
800
#75079C
oklch(42.7% 0.207 313.4)
-
Step 900
900
#5F187C
oklch(37.8% 0.161 313.6)
-
Step 950
950 (this color)
#451F57
oklch(32.1% 0.102 313.4)
#451F57 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) | #0D2E59 | 0.092 |
| Deuteranopia (no green cones) | #1C3156 | 0.082 |
| Tritanopia (no blue cones) | #432937 | 0.069 |
| Achromatopsia (no color) | #303030 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #451F57
#451F57
oklch(32.1% 0.102 313.4)
- #1E3C00
#1E3C00
oklch(32% 0.091 133.6)
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 #451F57, 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 0.049
- Grape Purple #5D1451 ΔE 0.054
- Eggplant Purple #430541 ΔE 0.059
- Royal Purple #4B006E ΔE 0.060
- Space Cadet #2B2D42 ΔE 0.076
- Dark Purple #35063E ΔE 0.077
- Aubergine #3D0734 ΔE 0.078
Use #451F57 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.