#5E437B
Closest named color: Twilight (#4E518B). oklch(43.7% 0.094 305.1), rgb(94, 67, 123).
Aa
White text reads best on this color (8.18:1).
About this color
#5E437B is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.094 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.047 away. White text reads best on it, at 8.18:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.56:1 |
| White text | 8.18:1 |
Values
| HEX | #5E437B |
| RGB | rgb(94, 67, 123) |
| HSL | hsl(269, 29%, 37%) |
| OKLCH | oklch(43.7% 0.094 305.1) |
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 #5E437B | 8.18:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #5E437B | 2.56:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #5E437B text on white | 8.18:1 | AAA | Lc 88.2 | Fine for body text |
| #5E437B text on black | 2.56:1 | Fails | Lc -14.0 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#ECE7F3
oklch(93.5% 0.017 304.8)
-
Step 200
200
#DED4EA
oklch(88.5% 0.032 306.2)
-
Step 300
300
#C9B8DE
oklch(80.9% 0.056 305.4)
-
Step 400
400
#AD93CD
oklch(70.7% 0.088 304.7)
-
Step 500
500
#9977C0
oklch(63.1% 0.113 304.8)
-
Step 600
600
#845FAC
oklch(55.6% 0.122 304.9)
-
Step 700
700
#704E94
oklch(49.1% 0.114 305)
-
Step 800
800 (this color)
#5E437B
oklch(43.7% 0.094 305.1)
-
Step 900
900
#4B3761
oklch(37.8% 0.073 305.1)
-
Step 950
950
#2C2039
oklch(27% 0.048 305.5)
#5E437B 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) | #354E7D | 0.067 |
| Deuteranopia (no green cones) | #3B4F7A | 0.062 |
| Tritanopia (no blue cones) | #594C59 | 0.070 |
| Achromatopsia (no color) | #4F4F4F | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5E437B
#5E437B
oklch(43.7% 0.094 305.1)
- #465A18
#465A18
oklch(43.6% 0.094 124.8)
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 #5E437B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.047
- Dusk #4E5481 ΔE 0.051
- Dark Slate Blue #483D8B ΔE 0.053
- Dusty Grape #545775 ΔE 0.061
- Blueberry #464196 ΔE 0.062
- Rebecca Purple #663399 ΔE 0.066
- YInMn Blue #415A77 ΔE 0.078
- Denim Blue #3B5B92 ΔE 0.081
Use #5E437B 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.