#452A89
Closest named color: Dark Slate Blue (#483D8B). oklch(37.7% 0.149 290.5), rgb(69, 42, 137).
Aa
White text reads best on this color (10.79:1).
About this color
#452A89 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.149 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.045 away. White text reads best on it, at 10.79:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.94:1 |
| White text | 10.79:1 |
Values
| HEX | #452A89 |
| RGB | rgb(69, 42, 137) |
| HSL | hsl(257, 53%, 35%) |
| OKLCH | oklch(37.7% 0.149 290.5) |
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 #452A89 | 10.79:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #452A89 | 1.94:1 | Fails | Lc 9.5 | Not readable |
| #452A89 text on white | 10.79:1 | AAA | Lc 94.5 | Preferred for body text |
| #452A89 text on black | 1.94:1 | Fails | Lc -8.1 | 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
#E9E7FF
oklch(93.7% 0.032 289.6)
-
Step 200
200
#D8D3FF
oklch(88.5% 0.06 290.3)
-
Step 300
300
#C0B5FF
oklch(80.9% 0.104 290.7)
-
Step 400
400
#A28BFF
oklch(70.7% 0.166 290.7)
-
Step 500
500
#8D67FF
oklch(63% 0.216 290.4)
-
Step 600
600
#7B41F6
oklch(55.6% 0.249 290.5)
-
Step 700
700
#6830D6
oklch(49% 0.231 290.5)
-
Step 800
800
#552BAD
oklch(42.8% 0.191 290.7)
-
Step 900
900 (this color)
#452A89
oklch(37.7% 0.149 290.5)
-
Step 950
950
#281A50
oklch(27% 0.094 290.6)
#452A89 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) | #003F8C | 0.082 |
| Deuteranopia (no green cones) | #003B87 | 0.081 |
| Tritanopia (no blue cones) | #2F4256 | 0.120 |
| Achromatopsia (no color) | #3D3D3D | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #452A89
#452A89
oklch(37.7% 0.149 290.5)
- #444500
#444500
oklch(37.7% 0.083 110.7)
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 #452A89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.045
- Blueberry #464196 ΔE 0.057
- Indigo #4B0082 ΔE 0.058
- Imperial Purple #480CA8 ΔE 0.061
- Chrysanthemum #560BAD ΔE 0.071
- Rebecca Purple #663399 ΔE 0.073
- Indigo Blue #3A18B1 ΔE 0.074
- Royal Purple #4B006E ΔE 0.079
Use #452A89 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.