#452A8C
Closest named color: Dark Slate Blue (#483D8B). oklch(38% 0.153 289.8), rgb(69, 42, 140).
Aa
White text reads best on this color (10.69:1).
About this color
#452A8C is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.153 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.045 away. White text reads best on it, at 10.69:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.153) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.96:1 |
| White text | 10.69:1 |
Values
| HEX | #452A8C |
| RGB | rgb(69, 42, 140) |
| HSL | hsl(257, 54%, 36%) |
| OKLCH | oklch(38% 0.153 289.8) |
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 #452A8C | 10.69:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #452A8C | 1.96:1 | Fails | Lc 9.7 | Not readable |
| #452A8C text on white | 10.69:1 | AAA | Lc 94.2 | Preferred for body text |
| #452A8C text on black | 1.96:1 | Fails | Lc -8.3 | 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
#E9E7FF
oklch(93.7% 0.032 289.6)
-
Step 200
200
#D8D3FF
oklch(88.5% 0.06 290.3)
-
Step 300
300
#BFB6FF
oklch(81% 0.102 289.6)
-
Step 400
400
#A08CFF
oklch(70.8% 0.164 289.5)
-
Step 500
500
#8C68FF
oklch(63.1% 0.214 289.8)
-
Step 600
600
#7A3FFA
oklch(55.6% 0.256 289.8)
-
Step 700
700
#672EDA
oklch(49.1% 0.237 289.6)
-
Step 800
800
#5429B0
oklch(42.7% 0.197 289.9)
-
Step 900
900 (this color)
#452A8C
oklch(38% 0.153 289.8)
-
Step 950
950
#271A51
oklch(27% 0.096 289.2)
#452A8C 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) | #00408F | 0.082 |
| Deuteranopia (no green cones) | #003C8A | 0.080 |
| Tritanopia (no blue cones) | #2D4357 | 0.125 |
| Achromatopsia (no color) | #3E3E3E | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #452A8C
#452A8C
oklch(38% 0.153 289.8)
- #464600
#464600
oklch(38.2% 0.083 109.8)
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 #452A8C, 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 0.055
- Imperial Purple #480CA8 ΔE 0.057
- Indigo #4B0082 ΔE 0.060
- Chrysanthemum #560BAD ΔE 0.067
- Indigo Blue #3A18B1 ΔE 0.070
- Rebecca Purple #663399 ΔE 0.071
- Sapphire #2138AB ΔE 0.076
Use #452A8C 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.