#45405C
Closest named color: Dark Grey Blue (#29465B). oklch(38.8% 0.047 292.2), rgb(69, 64, 92).
Aa
White text reads best on this color (9.80:1).
About this color
#45405C is a dark, muted purple. In OKLCH its lightness is 39%, its chroma 0.047 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.043 away. White text reads best on it, at 9.80:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | muted (0.047) |
| Temperature | in between |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.14:1 |
| White text | 9.80:1 |
Values
| HEX | #45405C |
| RGB | rgb(69, 64, 92) |
| HSL | hsl(251, 18%, 31%) |
| OKLCH | oklch(38.8% 0.047 292.2) |
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 #45405C | 9.80:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #45405C | 2.14:1 | Fails | Lc 11.2 | Not readable |
| #45405C text on white | 9.80:1 | AAA | Lc 92.7 | Preferred for body text |
| #45405C text on black | 2.14:1 | Fails | Lc -9.7 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#EAE9F0
oklch(93.7% 0.009 292.8)
-
Step 200
200
#D9D7E5
oklch(88.5% 0.019 292.6)
-
Step 300
300
#C1BDD6
oklch(80.9% 0.035 292.9)
-
Step 400
400
#A19BC2
oklch(70.8% 0.057 291.9)
-
Step 500
500
#8A82B2
oklch(63.2% 0.072 291.9)
-
Step 600
600
#746B9E
oklch(55.6% 0.079 291.7)
-
Step 700
700
#625987
oklch(49.2% 0.073 292.5)
-
Step 800
800
#50496E
oklch(42.8% 0.061 292.3)
-
Step 900
900 (this color)
#45405C
oklch(38.8% 0.047 292.2)
-
Step 950
950
#272434
oklch(27.1% 0.03 292.9)
#45405C 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) | #39445D | 0.021 |
| Deuteranopia (no green cones) | #39435B | 0.021 |
| Tritanopia (no blue cones) | #40454A | 0.040 |
| Achromatopsia (no color) | #444444 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45405C
#45405C
oklch(38.8% 0.047 292.2)
- #454729
#454729
oklch(38.8% 0.047 111.7)
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 #45405C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.043
- Charcoal Grey #3C4142 ΔE 0.050
- Charcoal #264653 ΔE 0.051
- Onyx #343A40 ΔE 0.058
- Dark Blue Grey #1F3B4D ΔE 0.065
- Dark Slate Gray #2F4F4F ΔE 0.065
- Prussian Blue #1D3557 ΔE 0.073
- Purple Brown #673A3F ΔE 0.075
Use #45405C 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.