#453A81
Closest named color: Dark Slate Blue (#483D8B). oklch(39.9% 0.115 287.1), rgb(69, 58, 129).
Aa
White text reads best on this color (9.65:1).
About this color
#453A81 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.115 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.019 away. White text reads best on it, at 9.65:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.17:1 |
| White text | 9.65:1 |
Values
| HEX | #453A81 |
| RGB | rgb(69, 58, 129) |
| HSL | hsl(249, 38%, 37%) |
| OKLCH | oklch(39.9% 0.115 287.1) |
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 #453A81 | 9.65:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #453A81 | 2.17:1 | Fails | Lc 11.8 | Not readable |
| #453A81 text on white | 9.65:1 | AAA | Lc 92.1 | Preferred for body text |
| #453A81 text on black | 2.17:1 | Fails | Lc -10.3 | 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
#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
#9C92F2
oklch(70.8% 0.138 287.1)
-
Step 500
500
#8573ED
oklch(63.1% 0.177 287)
-
Step 600
600
#7158DB
oklch(55.6% 0.192 287.2)
-
Step 700
700
#5F47BE
oklch(49.1% 0.178 287.2)
-
Step 800
800
#4D3B9A
oklch(42.7% 0.148 287.1)
-
Step 900
900 (this color)
#453A81
oklch(39.9% 0.115 287.1)
-
Step 950
950
#251F48
oklch(27% 0.074 287.1)
#453A81 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) | #174683 | 0.060 |
| Deuteranopia (no green cones) | #16437F | 0.060 |
| Tritanopia (no blue cones) | #324957 | 0.097 |
| Achromatopsia (no color) | #454545 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #453A81
#453A81
oklch(39.9% 0.115 287.1)
- #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 #453A81, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.019
- Blueberry #464196 ΔE 0.038
- Cobalt #1E488F ΔE 0.059
- Twilight #4E518B ΔE 0.066
- Twilight Blue #0A437A ΔE 0.069
- Rebecca Purple #663399 ΔE 0.073
- Dusk Blue #26538D ΔE 0.074
- Light Navy #155084 ΔE 0.075
Use #453A81 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.