#453D78
Closest named color: Dark Slate Blue (#483D8B). oklch(39.8% 0.097 287.4), rgb(69, 61, 120).
Aa
White text reads best on this color (9.58:1).
About this color
#453D78 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.097 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.032 away. White text reads best on it, at 9.58:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.19:1 |
| White text | 9.58:1 |
Values
| HEX | #453D78 |
| RGB | rgb(69, 61, 120) |
| HSL | hsl(248, 33%, 35%) |
| OKLCH | oklch(39.8% 0.097 287.4) |
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 #453D78 | 9.58:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #453D78 | 2.19:1 | Fails | Lc 11.9 | Not readable |
| #453D78 text on white | 9.58:1 | AAA | Lc 92.0 | Preferred for body text |
| #453D78 text on black | 2.19:1 | Fails | Lc -10.4 | 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
#F5F5FC
oklch(97.2% 0.009 286.2)
-
Step 100
100
#E8E8F8
oklch(93.6% 0.022 286)
-
Step 200
200
#D7D6F3
oklch(88.6% 0.04 287.1)
-
Step 300
300
#BDBAEE
oklch(80.9% 0.073 287.3)
-
Step 400
400
#9C95E5
oklch(70.7% 0.116 287.1)
-
Step 500
500
#8678DE
oklch(63.1% 0.15 287.6)
-
Step 600
600
#705FCB
oklch(55.6% 0.161 287.2)
-
Step 700
700
#5E4EB0
oklch(49.2% 0.15 287)
-
Step 800
800
#4D408E
oklch(42.7% 0.124 287.6)
-
Step 900
900 (this color)
#453D78
oklch(39.8% 0.097 287.4)
-
Step 950
950
#252143
oklch(27.1% 0.062 286.9)
#453D78 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) | #26477A | 0.047 |
| Deuteranopia (no green cones) | #264377 | 0.045 |
| Tritanopia (no blue cones) | #374954 | 0.082 |
| Achromatopsia (no color) | #454545 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #453D78
#453D78
oklch(39.8% 0.097 287.4)
- #4D4A00
#4D4A00
oklch(39.9% 0.086 107)
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 #453D78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.032
- Blueberry #464196 ΔE 0.050
- Cobalt #1E488F ΔE 0.062
- Twilight #4E518B ΔE 0.063
- Twilight Blue #0A437A ΔE 0.064
- Dusk #4E5481 ΔE 0.068
- Light Navy #155084 ΔE 0.070
- Dusk Blue #26538D ΔE 0.071
Use #453D78 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.