#45457A
Closest named color: Dark Slate Blue (#483D8B). oklch(41.6% 0.087 281.9), rgb(69, 69, 122).
Aa
White text reads best on this color (8.80:1).
About this color
#45457A is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.087 and its hue 282°. 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 8.80:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.38:1 |
| White text | 8.80:1 |
Values
| HEX | #45457A |
| RGB | rgb(69, 69, 122) |
| HSL | hsl(240, 28%, 37%) |
| OKLCH | oklch(41.6% 0.087 281.9) |
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 #45457A | 8.80:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #45457A | 2.38:1 | Fails | Lc 13.9 | Not readable |
| #45457A text on white | 8.80:1 | AAA | Lc 90.0 | Preferred for body text |
| #45457A text on black | 2.38:1 | Fails | Lc -12.2 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
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
#BBBDE1
oklch(80.9% 0.051 282.7)
-
Step 400
400
#989BD3
oklch(70.8% 0.082 281.7)
-
Step 500
500
#7F81C7
oklch(63% 0.105 281.7)
-
Step 600
600
#696AB4
oklch(55.7% 0.113 281.5)
-
Step 700
700
#58589A
oklch(49.1% 0.104 281.9)
-
Step 800
800 (this color)
#45457A
oklch(41.6% 0.087 281.9)
-
Step 900
900
#3C3D65
oklch(37.8% 0.068 281.6)
-
Step 950
950
#23243B
oklch(27.1% 0.043 281.2)
#45457A 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) | #324C7C | 0.031 |
| Deuteranopia (no green cones) | #2F4979 | 0.031 |
| Tritanopia (no blue cones) | #355059 | 0.077 |
| Achromatopsia (no color) | #4A4A4A | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45457A
#45457A
oklch(41.6% 0.087 281.9)
- #564D00
#564D00
oklch(41.6% 0.087 101.7)
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 #45457A, 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 0.044
- Dusk #4E5481 ΔE 0.047
- Blueberry #464196 ΔE 0.049
- Dusk Blue #26538D ΔE 0.054
- Light Navy #155084 ΔE 0.056
- Cobalt #1E488F ΔE 0.056
- Light Navy Blue #2E5A88 ΔE 0.063
Use #45457A 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.