#453F74
Closest named color: Dark Slate Blue (#483D8B). oklch(40% 0.087 286.9), rgb(69, 63, 116).
Aa
White text reads best on this color (9.47:1).
About this color
#453F74 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.087 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.040 away. White text reads best on it, at 9.47:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.21:1 |
| White text | 9.47:1 |
Values
| HEX | #453F74 |
| RGB | rgb(69, 63, 116) |
| HSL | hsl(247, 30%, 35%) |
| OKLCH | oklch(40% 0.087 286.9) |
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 #453F74 | 9.47:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #453F74 | 2.21:1 | Fails | Lc 12.1 | Not readable |
| #453F74 text on white | 9.47:1 | AAA | Lc 91.8 | Preferred for body text |
| #453F74 text on black | 2.21:1 | Fails | Lc -10.6 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E8E8F6
oklch(93.5% 0.019 286)
-
Step 200
200
#D7D6F1
oklch(88.5% 0.037 287.3)
-
Step 300
300
#BDBBEA
oklch(81% 0.066 286.8)
-
Step 400
400
#9C96DF
oklch(70.6% 0.106 287.1)
-
Step 500
500
#857BD6
oklch(63.2% 0.134 286.9)
-
Step 600
600
#6F62C3
oklch(55.5% 0.146 286.8)
-
Step 700
700
#5D51A8
oklch(49.1% 0.135 286.7)
-
Step 800
800
#4C4388
oklch(42.7% 0.111 286.7)
-
Step 900
900 (this color)
#453F74
oklch(40% 0.087 286.9)
-
Step 950
950
#252240
oklch(27.1% 0.055 286.7)
#453F74 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) | #2C4776 | 0.039 |
| Deuteranopia (no green cones) | #2C4473 | 0.037 |
| Tritanopia (no blue cones) | #384954 | 0.073 |
| Achromatopsia (no color) | #464646 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #453F74
#453F74
oklch(40% 0.087 286.9)
- #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 #453F74, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.040
- Blueberry #464196 ΔE 0.056
- Twilight #4E518B ΔE 0.061
- Dusk #4E5481 ΔE 0.064
- Twilight Blue #0A437A ΔE 0.064
- Cobalt #1E488F ΔE 0.064
- Dark Grey Blue #29465B ΔE 0.066
- Light Navy #155084 ΔE 0.067
Use #453F74 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.