#452B85
Closest named color: Dark Slate Blue (#483D8B). oklch(37.6% 0.143 291.2), rgb(69, 43, 133).
Aa
White text reads best on this color (10.83:1).
About this color
#452B85 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.143 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.044 away. White text reads best on it, at 10.83:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.93:1 |
| White text | 10.83:1 |
Values
| HEX | #452B85 |
| RGB | rgb(69, 43, 133) |
| HSL | hsl(257, 51%, 35%) |
| OKLCH | oklch(37.6% 0.143 291.2) |
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 #452B85 | 10.83:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #452B85 | 1.93:1 | Fails | Lc 9.3 | Not readable |
| #452B85 text on white | 10.83:1 | AAA | Lc 94.6 | Preferred for body text |
| #452B85 text on black | 1.93:1 | Fails | Lc -8.0 | 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 900.
-
Step 50
50
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#E9E7FE
oklch(93.6% 0.031 289.8)
-
Step 200
200
#D9D3FE
oklch(88.5% 0.059 291.5)
-
Step 300
300
#C1B5FF
oklch(81% 0.104 291.3)
-
Step 400
400
#A38AFF
oklch(70.7% 0.167 291.4)
-
Step 500
500
#8F66FF
oklch(63% 0.217 291.2)
-
Step 600
600
#7C45F0
oklch(55.6% 0.239 291.3)
-
Step 700
700
#6935D1
oklch(49.2% 0.221 291.2)
-
Step 800
800
#552EA9
oklch(42.8% 0.183 291.1)
-
Step 900
900 (this color)
#452B85
oklch(37.6% 0.143 291.2)
-
Step 950
950
#281B4E
oklch(27% 0.09 290.9)
#452B85 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) | #003F88 | 0.082 |
| Deuteranopia (no green cones) | #003B83 | 0.081 |
| Tritanopia (no blue cones) | #314154 | 0.115 |
| Achromatopsia (no color) | #3D3D3D | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #452B85
#452B85
oklch(37.6% 0.143 291.2)
- #434500
#434500
oklch(37.6% 0.083 111.6)
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 #452B85, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.044
- Blueberry #464196 ΔE 0.058
- Indigo #4B0082 ΔE 0.059
- Imperial Purple #480CA8 ΔE 0.068
- Rebecca Purple #663399 ΔE 0.074
- Royal Purple #4B006E ΔE 0.077
- Chrysanthemum #560BAD ΔE 0.078
- Indigo Blue #3A18B1 ΔE 0.081
Use #452B85 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.