#45375B
Closest named color: Dark Grey Blue (#29465B). oklch(36.8% 0.063 301.3), rgb(69, 55, 91).
Aa
White text reads best on this color (10.76:1).
About this color
#45375B is a dark, muted purple. In OKLCH its lightness is 37%, its chroma 0.063 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.059 away. White text reads best on it, at 10.76:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | muted (0.063) |
| Temperature | in between |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 1.95:1 |
| White text | 10.76:1 |
Values
| HEX | #45375B |
| RGB | rgb(69, 55, 91) |
| HSL | hsl(263, 25%, 29%) |
| OKLCH | oklch(36.8% 0.063 301.3) |
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 #45375B | 10.76:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #45375B | 1.95:1 | Fails | Lc 9.0 | Not readable |
| #45375B text on white | 10.76:1 | AAA | Lc 94.9 | Preferred for body text |
| #45375B text on black | 1.95:1 | Fails | Lc -7.7 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#EBE8F2
oklch(93.6% 0.014 299.8)
-
Step 200
200
#DCD5E8
oklch(88.4% 0.027 302.5)
-
Step 300
300
#C6BADB
oklch(80.9% 0.048 301.9)
-
Step 400
400
#A896C8
oklch(70.6% 0.074 301)
-
Step 500
500
#947BBA
oklch(63% 0.096 301.9)
-
Step 600
600
#7E64A6
oklch(55.6% 0.103 301.3)
-
Step 700
700
#6A528F
oklch(49% 0.098 301)
-
Step 800
800
#574474
oklch(42.8% 0.08 301.3)
-
Step 900
900 (this color)
#45375B
oklch(36.8% 0.063 301.3)
-
Step 950
950
#2A2237
oklch(27.1% 0.04 301.3)
#45375B 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) | #2E3D5C | 0.039 |
| Deuteranopia (no green cones) | #313D5A | 0.036 |
| Tritanopia (no blue cones) | #413D44 | 0.050 |
| Achromatopsia (no color) | #3E3E3E | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45375B
#45375B
oklch(36.8% 0.063 301.3)
- #3A441C
#3A441C
oklch(36.7% 0.062 121.2)
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 #45375B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.059
- Onyx #343A40 ΔE 0.060
- Charcoal Grey #3C4142 ΔE 0.063
- Prussian Blue #1D3557 ΔE 0.064
- Dark Blue Grey #1F3B4D ΔE 0.066
- Charcoal #264653 ΔE 0.067
- Gunmetal #293241 ΔE 0.069
- Space Cadet #2B2D42 ΔE 0.070
Use #45375B 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.