#45437C
Closest named color: Dark Slate Blue (#483D8B). oklch(41.3% 0.093 283.1), rgb(69, 67, 124).
Aa
White text reads best on this color (8.94:1).
About this color
#45437C is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.093 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.032 away. White text reads best on it, at 8.94:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.34:1 |
| White text | 8.94:1 |
Values
| HEX | #45437C |
| RGB | rgb(69, 67, 124) |
| HSL | hsl(242, 30%, 37%) |
| OKLCH | oklch(41.3% 0.093 283.1) |
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 #45437C | 8.94:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #45437C | 2.34:1 | Fails | Lc 13.6 | Not readable |
| #45437C text on white | 8.94:1 | AAA | Lc 90.4 | Preferred for body text |
| #45437C text on black | 2.34:1 | 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
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D6D7ED
oklch(88.5% 0.03 283.7)
-
Step 300
300
#BBBDE4
oklch(81% 0.055 282.8)
-
Step 400
400
#999AD6
oklch(70.8% 0.087 283.2)
-
Step 500
500
#8080CB
oklch(63.1% 0.112 282.7)
-
Step 600
600
#6A68B8
oklch(55.6% 0.122 282.8)
-
Step 700
700
#59569E
oklch(49.1% 0.113 283.3)
-
Step 800
800 (this color)
#45437C
oklch(41.3% 0.093 283.1)
-
Step 900
900
#3C3C67
oklch(37.7% 0.073 282.3)
-
Step 950
950
#23233C
oklch(26.9% 0.046 282.9)
#45437C 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) | #2E4B7E | 0.036 |
| Deuteranopia (no green cones) | #2B487B | 0.037 |
| Tritanopia (no blue cones) | #344F59 | 0.082 |
| Achromatopsia (no color) | #494949 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45437C
#45437C
oklch(41.3% 0.093 283.1)
- #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 #45437C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.032
- Blueberry #464196 ΔE 0.044
- Twilight #4E518B ΔE 0.047
- Dusk #4E5481 ΔE 0.052
- Cobalt #1E488F ΔE 0.055
- Dusk Blue #26538D ΔE 0.057
- Light Navy #155084 ΔE 0.058
- Twilight Blue #0A437A ΔE 0.064
Use #45437C 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.