#453B81
Closest named color: Dark Slate Blue (#483D8B). oklch(40.1% 0.114 286.6), rgb(69, 59, 129).
Aa
White text reads best on this color (9.56:1).
About this color
#453B81 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.114 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.018 away. White text reads best on it, at 9.56:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.19:1 |
| White text | 9.56:1 |
Values
| HEX | #453B81 |
| RGB | rgb(69, 59, 129) |
| HSL | hsl(249, 37%, 37%) |
| OKLCH | oklch(40.1% 0.114 286.6) |
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 #453B81 | 9.56:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #453B81 | 2.19:1 | Fails | Lc 12.0 | Not readable |
| #453B81 text on white | 9.56:1 | AAA | Lc 91.9 | Preferred for body text |
| #453B81 text on black | 2.19:1 | Fails | Lc -10.5 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E8E8FA
oklch(93.6% 0.024 285.9)
-
Step 200
200
#D6D5F8
oklch(88.5% 0.048 286.7)
-
Step 300
300
#BCB9F6
oklch(81% 0.086 286.6)
-
Step 400
400
#9B92F1
oklch(70.7% 0.137 286.7)
-
Step 500
500
#8474EC
oklch(63.1% 0.174 286.4)
-
Step 600
600
#7059DA
oklch(55.6% 0.189 286.7)
-
Step 700
700
#5E48BD
oklch(49.1% 0.176 286.7)
-
Step 800
800
#4C3C99
oklch(42.7% 0.146 286.4)
-
Step 900
900 (this color)
#453B81
oklch(40.1% 0.114 286.6)
-
Step 950
950
#251F47
oklch(26.9% 0.072 287.4)
#453B81 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) | #1A4783 | 0.058 |
| Deuteranopia (no green cones) | #19437F | 0.057 |
| Tritanopia (no blue cones) | #324A58 | 0.095 |
| Achromatopsia (no color) | #454545 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #453B81
#453B81
oklch(40.1% 0.114 286.6)
- #4E4A00
#4E4A00
oklch(40% 0.085 106.1)
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 #453B81, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.018
- Blueberry #464196 ΔE 0.037
- Cobalt #1E488F ΔE 0.058
- Twilight #4E518B ΔE 0.064
- Twilight Blue #0A437A ΔE 0.068
- Dusk Blue #26538D ΔE 0.072
- Rebecca Purple #663399 ΔE 0.073
- Light Navy #155084 ΔE 0.073
Use #453B81 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.