#51384E
Closest named color: Purple Brown (#673A3F). oklch(37.8% 0.049 330.7), rgb(81, 56, 78).
Aa
White text reads best on this color (10.36:1).
About this color
#51384E is a dark, muted purple. In OKLCH its lightness is 38%, its chroma 0.049 and its hue 331°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.051 away. White text reads best on it, at 10.36:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | muted (0.049) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.02:1 |
| White text | 10.36:1 |
Values
| HEX | #51384E |
| RGB | rgb(81, 56, 78) |
| HSL | hsl(307, 18%, 27%) |
| OKLCH | oklch(37.8% 0.049 330.7) |
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 #51384E | 10.36:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #51384E | 2.02:1 | Fails | Lc 9.9 | Not readable |
| #51384E text on white | 10.36:1 | AAA | Lc 94.0 | Preferred for body text |
| #51384E text on black | 2.02:1 | Fails | Lc -8.5 | 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
#F7F4F7
oklch(97% 0.005 325.6)
-
Step 100
100
#EEE7ED
oklch(93.5% 0.011 330.2)
-
Step 200
200
#E2D4DF
oklch(88.4% 0.021 332.9)
-
Step 300
300
#CFB8CC
oklch(80.8% 0.038 330.1)
-
Step 400
400
#B794B2
oklch(70.8% 0.059 331)
-
Step 500
500
#A4799F
oklch(63.1% 0.075 330.4)
-
Step 600
600
#8F618A
oklch(55.6% 0.083 330.5)
-
Step 700
700
#7A5075
oklch(49.1% 0.077 330.9)
-
Step 800
800
#63425F
oklch(42.7% 0.063 330.9)
-
Step 900
900 (this color)
#51384E
oklch(37.8% 0.049 330.7)
-
Step 950
950
#2F212E
oklch(27% 0.031 328.8)
#51384E 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) | #373E4F | 0.047 |
| Deuteranopia (no green cones) | #3D414D | 0.043 |
| Tritanopia (no blue cones) | #533940 | 0.026 |
| Achromatopsia (no color) | #404040 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51384E
#51384E
oklch(37.8% 0.049 330.7)
- #2E4934
#2E4934
oklch(37.7% 0.049 150.5)
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 #51384E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.051
- Charcoal Grey #3C4142 ΔE 0.054
- Onyx #343A40 ΔE 0.059
- Dark Grey Blue #29465B ΔE 0.070
- Charcoal #264653 ΔE 0.074
- Gunmetal #293241 ΔE 0.079
- Dark Blue Grey #1F3B4D ΔE 0.079
- Brownish Purple #76424E ΔE 0.081
Use #51384E 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.