#454378
Closest named color: Dark Slate Blue (#483D8B). oklch(41.1% 0.087 283.6), rgb(69, 67, 120).
Aa
White text reads best on this color (9.02:1).
About this color
#454378 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.087 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.038 away. White text reads best on it, at 9.02:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.32:1 |
| White text | 9.02:1 |
Values
| HEX | #454378 |
| RGB | rgb(69, 67, 120) |
| HSL | hsl(242, 28%, 37%) |
| OKLCH | oklch(41.1% 0.087 283.6) |
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 #454378 | 9.02:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #454378 | 2.32:1 | Fails | Lc 13.3 | Not readable |
| #454378 text on white | 9.02:1 | AAA | Lc 90.6 | Preferred for body text |
| #454378 text on black | 2.32:1 | Fails | Lc -11.7 | 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 800.
-
Step 50
50
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D6D7EC
oklch(88.5% 0.029 283.6)
-
Step 300
300
#BCBDE1
oklch(80.9% 0.051 284)
-
Step 400
400
#9A9AD2
oklch(70.7% 0.081 284.1)
-
Step 500
500
#8180C6
oklch(63% 0.104 283.6)
-
Step 600
600
#6B69B3
oklch(55.6% 0.113 283.3)
-
Step 700
700
#5A579A
oklch(49.1% 0.105 283.8)
-
Step 800
800 (this color)
#454378
oklch(41.1% 0.087 283.6)
-
Step 900
900
#3D3C64
oklch(37.6% 0.068 283.8)
-
Step 950
950
#24233B
oklch(26.9% 0.044 284.9)
#454378 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) | #304B7A | 0.034 |
| Deuteranopia (no green cones) | #2E4777 | 0.033 |
| Tritanopia (no blue cones) | #364E57 | 0.077 |
| Achromatopsia (no color) | #494949 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #454378
#454378
oklch(41.1% 0.087 283.6)
- #534C00
#534C00
oklch(41% 0.086 103.5)
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 #454378, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.038
- Twilight #4E518B ΔE 0.050
- Blueberry #464196 ΔE 0.051
- Dusk #4E5481 ΔE 0.052
- Cobalt #1E488F ΔE 0.058
- Dusk Blue #26538D ΔE 0.059
- Light Navy #155084 ΔE 0.059
- Twilight Blue #0A437A ΔE 0.063
Use #454378 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.