#45437D
Closest named color: Dark Slate Blue (#483D8B). oklch(41.4% 0.095 283), rgb(69, 67, 125).
Aa
White text reads best on this color (8.92:1).
About this color
#45437D is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.095 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.030 away. White text reads best on it, at 8.92:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.35:1 |
| White text | 8.92:1 |
Values
| HEX | #45437D |
| RGB | rgb(69, 67, 125) |
| HSL | hsl(242, 30%, 38%) |
| OKLCH | oklch(41.4% 0.095 283) |
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 #45437D | 8.92:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #45437D | 2.35:1 | Fails | Lc 13.6 | Not readable |
| #45437D text on white | 8.92:1 | AAA | Lc 90.4 | Preferred for body text |
| #45437D text on black | 2.35:1 | Fails | Lc -11.9 | 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
#E8E9F5
oklch(93.7% 0.016 282.3)
-
Step 200
200
#D6D7EE
oklch(88.5% 0.031 283.8)
-
Step 300
300
#BBBDE4
oklch(81% 0.055 282.8)
-
Step 400
400
#989AD7
oklch(70.8% 0.089 282.4)
-
Step 500
500
#8080CC
oklch(63.2% 0.113 282.7)
-
Step 600
600
#6A68B9
oklch(55.7% 0.123 282.7)
-
Step 700
700
#59569F
oklch(49.1% 0.114 283.2)
-
Step 800
800 (this color)
#45437D
oklch(41.4% 0.095 283)
-
Step 900
900
#3C3C68
oklch(37.8% 0.074 282.3)
-
Step 950
950
#23233D
oklch(27% 0.048 282.7)
#45437D 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) | #2D4B7F | 0.037 |
| Deuteranopia (no green cones) | #2A487C | 0.038 |
| Tritanopia (no blue cones) | #344F5A | 0.081 |
| Achromatopsia (no color) | #4A4A4A | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45437D
#45437D
oklch(41.4% 0.095 283)
- #544D00
#544D00
oklch(41.4% 0.087 103.5)
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 #45437D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.030
- Blueberry #464196 ΔE 0.043
- Twilight #4E518B ΔE 0.046
- Dusk #4E5481 ΔE 0.052
- Cobalt #1E488F ΔE 0.054
- Dusk Blue #26538D ΔE 0.056
- Light Navy #155084 ΔE 0.058
- Twilight Blue #0A437A ΔE 0.064
Use #45437D 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.