#452F8F
Closest named color: Dark Slate Blue (#483D8B). oklch(39% 0.15 287.9), rgb(69, 47, 143).
Aa
White text reads best on this color (10.21:1).
About this color
#452F8F is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.150 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.035 away. White text reads best on it, at 10.21:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.05:1 |
| White text | 10.21:1 |
Values
| HEX | #452F8F |
| RGB | rgb(69, 47, 143) |
| HSL | hsl(254, 51%, 37%) |
| OKLCH | oklch(39% 0.15 287.9) |
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 #452F8F | 10.21:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #452F8F | 2.05:1 | Fails | Lc 10.7 | Not readable |
| #452F8F text on white | 10.21:1 | AAA | Lc 93.2 | Preferred for body text |
| #452F8F text on black | 2.05:1 | Fails | Lc -9.3 | 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
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#E8E7FF
oklch(93.6% 0.032 287.7)
-
Step 200
200
#D6D4FF
oklch(88.5% 0.059 287.3)
-
Step 300
300
#BDB6FF
oklch(80.8% 0.102 288.3)
-
Step 400
400
#9D8DFF
oklch(70.7% 0.163 287.9)
-
Step 500
500
#886AFF
oklch(63% 0.212 288)
-
Step 600
600
#7543F9
oklch(55.5% 0.251 287.8)
-
Step 700
700
#6332D9
oklch(49% 0.233 287.8)
-
Step 800
800
#502CB0
oklch(42.7% 0.194 287.6)
-
Step 900
900 (this color)
#452F8F
oklch(39% 0.15 287.9)
-
Step 950
950
#261B51
oklch(27.1% 0.094 287.7)
#452F8F 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) | #004392 | 0.078 |
| Deuteranopia (no green cones) | #003E8D | 0.076 |
| Tritanopia (no blue cones) | #2A475A | 0.125 |
| Achromatopsia (no color) | #414141 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #452F8F
#452F8F
oklch(39% 0.15 287.9)
- #4A4800
#4A4800
oklch(39.1% 0.084 107.9)
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 #452F8F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.035
- Blueberry #464196 ΔE 0.044
- Imperial Purple #480CA8 ΔE 0.060
- Rebecca Purple #663399 ΔE 0.066
- Chrysanthemum #560BAD ΔE 0.069
- Indigo Blue #3A18B1 ΔE 0.069
- Sapphire #2138AB ΔE 0.069
- Indigo #4B0082 ΔE 0.071
Use #452F8F 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.